#CF090A
Closest named color: Cherry (#CF0234). oklch(53.9% 0.218 28.8), rgb(207, 9, 10).
Aa
White text reads best on this color (5.68:1).
About this color
#CF090A is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.218 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.032 away. White text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #CF090A |
| RGB | rgb(207, 9, 10) |
| HSL | hsl(360, 92%, 42%) |
| OKLCH | oklch(53.9% 0.218 28.8) |
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 #CF090A | 5.68:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #CF090A | 3.69:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #CF090A text on white | 5.68:1 | AA | Lc 75.8 | Fine for body text |
| #CF090A text on black | 3.69:1 | AA large text | Lc -25.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCCC5
oklch(88.4% 0.054 28.1)
-
Step 300
300
#FAA99C
oklch(81% 0.098 29.4)
-
Step 400
400
#F27566
oklch(70.6% 0.157 28.6)
-
Step 500
500
#EA483B
oklch(63.1% 0.201 28.7)
-
Step 600
600 (this color)
#CF090A
oklch(53.9% 0.218 28.8)
-
Step 700
700
#B80004
oklch(49.2% 0.201 28.8)
-
Step 800
800
#950D0A
oklch(42.6% 0.167 28.8)
-
Step 900
900
#781913
oklch(37.7% 0.131 28.7)
-
Step 950
950
#47110C
oklch(27% 0.083 29)
#CF090A 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) | #584D02 | 0.239 |
| Deuteranopia (no green cones) | #847500 | 0.213 |
| Tritanopia (no blue cones) | #E50011 | 0.045 |
| Achromatopsia (no color) | #676767 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF090A
#CF090A
oklch(53.9% 0.218 28.8)
- #007D8B
#007D8B
oklch(54% 0.093 208.5)
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 #CF090A, closest first.
No curated palette has a color within ΔE 0.04 of #CF090A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.032
- Scarlet #BE0119 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.043
- Crimson #DC143C ΔE 0.047
- Firebrick #B22222 ΔE 0.057
- Ruby #CA0147 ΔE 0.058
- Rose Red #BE013C ΔE 0.058
- Sinopia #BB3E03 ΔE 0.059
Use #CF090A 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.