#D10B18
Closest named color: Cherry (#CF0234). oklch(54.4% 0.218 27.2), rgb(209, 11, 24).
Aa
White text reads best on this color (5.56:1).
About this color
#D10B18 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.218 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.026 away. White text reads best on it, at 5.56:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #D10B18 |
| RGB | rgb(209, 11, 24) |
| HSL | hsl(356, 90%, 43%) |
| OKLCH | oklch(54.4% 0.218 27.2) |
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 #D10B18 | 5.56:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #D10B18 | 3.77:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #D10B18 text on white | 5.56:1 | AA | Lc 75.3 | Fine for body text |
| #D10B18 text on black | 3.77:1 | AA large text | Lc -26.5 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC6
oklch(88.4% 0.054 26.7)
-
Step 300
300
#FAA89E
oklch(80.9% 0.099 27.1)
-
Step 400
400
#F37569
oklch(70.8% 0.157 27.3)
-
Step 500
500
#EA4740
oklch(63.1% 0.201 27.1)
-
Step 600
600 (this color)
#D10B18
oklch(54.4% 0.218 27.2)
-
Step 700
700
#B70010
oklch(49% 0.2 27.3)
-
Step 800
800
#960B10
oklch(42.8% 0.168 27.4)
-
Step 900
900
#781816
oklch(37.7% 0.131 27.1)
-
Step 950
950
#47110E
oklch(27.1% 0.083 27.3)
#D10B18 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) | #594E14 | 0.239 |
| Deuteranopia (no green cones) | #857605 | 0.216 |
| Tritanopia (no blue cones) | #E70016 | 0.044 |
| Achromatopsia (no color) | #686868 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D10B18
#D10B18
oklch(54.4% 0.218 27.2)
- #007F8B
#007F8B
oklch(54.5% 0.093 206.4)
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 #D10B18, closest first.
No curated palette has a color within ΔE 0.04 of #D10B18.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.026
- Crimson #DC143C ΔE 0.039
- Scarlet #BE0119 ΔE 0.042
- Lipstick Red #C0022F ΔE 0.043
- Ruby #CA0147 ΔE 0.052
- Lipstick #D5174E ΔE 0.054
- Rose Red #BE013C ΔE 0.056
- Dull Red #BB3F3F ΔE 0.059
Use #D10B18 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.