#F66A51
Closest named color: Tomato (#FF6347). oklch(69.3% 0.177 32.1), rgb(246, 106, 81).
Aa
Black text reads best on this color (7.09:1).
About this color
#F66A51 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.177 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.019 away. Black text reads best on it, at 7.09:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #F66A51 |
| RGB | rgb(246, 106, 81) |
| HSL | hsl(9, 90%, 64%) |
| OKLCH | oklch(69.3% 0.177 32.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #F66A51 | 2.95:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #F66A51 | 7.09:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #F66A51 text on white | 2.95:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #F66A51 text on black | 7.09:1 | AAA | Lc -46.4 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA694
oklch(80.9% 0.109 32)
-
Step 400
400 (this color)
#F66A51
oklch(69.3% 0.177 32.1)
-
Step 500
500
#F43817
oklch(63.1% 0.227 32)
-
Step 600
600
#D22400
oklch(55.6% 0.21 32)
-
Step 700
700
#B21D00
oklch(49.1% 0.186 32)
-
Step 800
800
#931600
oklch(42.7% 0.162 32)
-
Step 900
900
#7C1100
oklch(37.7% 0.143 32.1)
-
Step 950
950
#4A0C04
oklch(26.9% 0.094 31.7)
#F66A51 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8F834E | 0.181 |
| Deuteranopia (no green cones) | #B2A24D | 0.168 |
| Tritanopia (no blue cones) | #FF4D65 | 0.063 |
| Achromatopsia (no color) | #969696 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F66A51
#F66A51
oklch(69.3% 0.177 32.1)
- #00AFC8
#00AFC8
oklch(69.2% 0.121 212.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #F66A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.019
- Orange Pink #FF6F52 ΔE 0.021
- Pinkish Orange #FF724C ΔE 0.027
- Burnt Sienna #E76F51 ΔE 0.027
- Coral Pink #FF6163 ΔE 0.034
- Grapefruit #FD5956 ΔE 0.034
- Melon #FF7855 ΔE 0.035
- Bright Orange #FF5B00 ΔE 0.047
Use #F66A51 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.