#D31133
Closest named color: Cherry (#CF0234). oklch(55.2% 0.216 21.8), rgb(211, 17, 51).
Aa
White text reads best on this color (5.38:1).
About this color
#D31133 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.216 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.012 away. White text reads best on it, at 5.38:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.216) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #D31133 |
| RGB | rgb(211, 17, 51) |
| HSL | hsl(349, 85%, 45%) |
| OKLCH | oklch(55.2% 0.216 21.8) |
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 #D31133 | 5.38:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #D31133 | 3.89:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #D31133 text on white | 5.38:1 | AA | Lc 74.5 | Content text, not long reading |
| #D31133 text on black | 3.89:1 | AA large text | Lc -27.2 | 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
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC9
oklch(88.5% 0.054 22.5)
-
Step 300
300
#F9A8A5
oklch(80.9% 0.096 21.7)
-
Step 400
400
#F27474
oklch(70.7% 0.156 21.8)
-
Step 500
500
#E94650
oklch(63.1% 0.199 21.7)
-
Step 600
600 (this color)
#D31133
oklch(55.2% 0.216 21.8)
-
Step 700
700
#B60028
oklch(49% 0.197 21.7)
-
Step 800
800
#950A21
oklch(42.7% 0.166 21.9)
-
Step 900
900
#781820
oklch(37.8% 0.13 22)
-
Step 950
950
#471113
oklch(27.1% 0.082 22.5)
#D31133 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) | #585132 | 0.240 |
| Deuteranopia (no green cones) | #86782B | 0.217 |
| Tritanopia (no blue cones) | #E90023 | 0.045 |
| Achromatopsia (no color) | #6A6A6A | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D31133
#D31133
oklch(55.2% 0.216 21.8)
- #008289
#008289
oklch(55.2% 0.094 201.4)
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 #D31133, closest first.
No curated palette has a color within ΔE 0.04 of #D31133.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.012
- Crimson #DC143C ΔE 0.021
- Lipstick #D5174E ΔE 0.032
- Ruby #CA0147 ΔE 0.036
- Lipstick Red #C0022F ΔE 0.043
- Rose Red #BE013C ΔE 0.049
- Scarlet #BE0119 ΔE 0.051
- Dull Red #BB3F3F ΔE 0.057
Use #D31133 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.