#D33233
Closest named color: Crimson (#DC143C). oklch(57.1% 0.197 25.9), rgb(211, 50, 51).
Aa
White text reads best on this color (4.91:1).
About this color
#D33233 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.197 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.032 away. White text reads best on it, at 4.91:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #D33233 |
| RGB | rgb(211, 50, 51) |
| HSL | hsl(360, 65%, 51%) |
| OKLCH | oklch(57.1% 0.197 25.9) |
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 #D33233 | 4.91:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #D33233 | 4.27:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #D33233 text on white | 4.91:1 | AA | Lc 72.5 | Content text, not long reading |
| #D33233 text on black | 4.27:1 | AA large text | Lc -29.2 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CDC8
oklch(88.4% 0.049 25.9)
-
Step 300
300
#F5ABA3
oklch(81% 0.089 26.1)
-
Step 400
400
#EC7A71
oklch(70.7% 0.142 26)
-
Step 500
500
#E2514C
oklch(63% 0.182 25.7)
-
Step 600
600 (this color)
#D33233
oklch(57.1% 0.197 25.9)
-
Step 700
700
#B11B21
oklch(49% 0.183 25.9)
-
Step 800
800
#901B1D
oklch(42.7% 0.152 25.9)
-
Step 900
900
#741F1D
oklch(37.7% 0.119 26.1)
-
Step 950
950
#441412
oklch(27% 0.075 25.8)
#D33233 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) | #635A31 | 0.215 |
| Deuteranopia (no green cones) | #8B7D2D | 0.195 |
| Tritanopia (no blue cones) | #E80035 | 0.045 |
| Achromatopsia (no color) | #717171 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D33233
#D33233
oklch(57.1% 0.197 25.9)
- #008894
#008894
oklch(57.2% 0.098 205.7)
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 #D33233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.032
- Faded Red #D3494E ΔE 0.038
- Cherry #CF0234 ΔE 0.041
- Imperial Red #E63946 ΔE 0.045
- Dull Red #BB3F3F ΔE 0.046
- Lipstick #D5174E ΔE 0.048
- Dark Coral #CF524E ΔE 0.049
- Tomato Red #EC2D01 ΔE 0.054
Use #D33233 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.