#D81133
Closest named color: Crimson (#DC143C). oklch(56.2% 0.22 22.1), rgb(216, 17, 51).
Aa
White text reads best on this color (5.18:1).
About this color
#D81133 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.220 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.013 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #D81133 |
| RGB | rgb(216, 17, 51) |
| HSL | hsl(350, 85%, 46%) |
| OKLCH | oklch(56.2% 0.22 22.1) |
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 #D81133 | 5.18:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #D81133 | 4.04:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #D81133 text on white | 5.18:1 | AA | Lc 73.3 | Content text, not long reading |
| #D81133 text on black | 4.04:1 | AA large text | Lc -28.4 | 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
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCCC9
oklch(88.6% 0.055 22.4)
-
Step 300
300
#FAA7A4
oklch(80.9% 0.099 21.8)
-
Step 400
400
#F37373
oklch(70.7% 0.158 21.9)
-
Step 500
500
#EB444E
oklch(63.2% 0.203 22.1)
-
Step 600
600 (this color)
#D81133
oklch(56.2% 0.22 22.1)
-
Step 700
700
#B60027
oklch(49% 0.197 22)
-
Step 800
800
#96041F
oklch(42.7% 0.17 22.2)
-
Step 900
900
#78161F
oklch(37.6% 0.132 22)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#D81133 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) | #5B5332 | 0.244 |
| Deuteranopia (no green cones) | #897B2B | 0.221 |
| Tritanopia (no blue cones) | #EE0023 | 0.045 |
| Achromatopsia (no color) | #6D6D6D | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D81133
#D81133
oklch(56.2% 0.22 22.1)
- #00858D
#00858D
oklch(56.1% 0.096 202.2)
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 #D81133, closest first.
No curated palette has a color within ΔE 0.04 of #D81133.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.013
- Cherry #CF0234 ΔE 0.022
- Lipstick #D5174E ΔE 0.032
- Ruby #CA0147 ΔE 0.043
- Red Pantone #EF233C ΔE 0.052
- Imperial Red #E63946 ΔE 0.052
- Lipstick Red #C0022F ΔE 0.053
- Faded Red #D3494E ΔE 0.059
Use #D81133 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.