#FF5733 color codes
- HEX
- #FF5733
- HEX8
- #FF5733FF
- HEX8 (Android)
- #FFFF5733
- RGB
- rgb(255, 87, 51)
- RGB (%)
- 100%, 34%, 20%
- HSL
- hsl(11, 100%, 60%)
- HSV / HSB
- hsv(11, 80%, 100%)
- CMYK
- cmyk(0%, 66%, 80%, 0%)
- OKLCH
- oklch(0.6804 0.21 33.69)
- OKLCH (%)
- oklch(68.04% 0.21 33.69)
- Decimal
- 16734003
What color is #FF5733?
#FF5733 sits at 68% lightness and 0.21 chroma in OKLCH, hue 33.69°. Its nearest named color is Tomato.
Shades and tints of #FF5733
Tints
Shades
Tones
#FF5733 color harmonies
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Square
Monochromatic
Using #FF5733 in CSS
.text { color: #FF5733; }
.background { background-color: #FF5733; }
.border { border: 2px solid #FF5733; }
/* Modern, perceptually uniform */
.text { color: oklch(0.6804 0.21 33.69); }
/* #FF5733 at 50% transparency */
.overlay { background-color: #FF573380; }Is #FF5733 accessible?
#FF5733 on white text scores 3.15:1; on black text it scores 6.66:1. Black text passes WCAG AA for normal text on #FF5733. Recommended text color on a #FF5733 background: black.
A 6.66:1 vs black
A 3.15:1 vs white
- AA normal ≥ 4.5 Pass
- AA large ≥ 3 Pass
- AAA normal ≥ 7 Fail
- AAA large ≥ 4.5 Pass
Recommended text color: black
CSS
contrast-color() contrast-color(#FF5733) → black APCA Lc experimental 62.8 Lc · large / secondary text (white text)
WCAG 2.1 AA/AAA is the compliance floor; APCA is an optional readability metric.
Related colors
Nearest featured color: Red #FF0000. See more in the red family on the colors hub.
Frequently asked questions
- What color is #FF5733?
- #FF5733 is closest to Tomato. In RGB it is rgb(255, 87, 51), and in HSL hsl(11, 100%, 60%).
- What is #FF5733 in RGB?
- #FF5733 converts to rgb(255, 87, 51) — red 255, green 87, blue 51.
- What text color is readable on #FF5733?
- Black text — it has the higher contrast ratio (6.66:1) against #FF5733. Black text passes WCAG AA for normal text on #FF5733.