#D83333
Closest named color: Crimson (#DC143C). oklch(58% 0.201 26.2), rgb(216, 51, 51).
Aa
White text reads best on this color (4.72:1).
About this color
#D83333 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.201 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 4.72:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #D83333 |
| RGB | rgb(216, 51, 51) |
| HSL | hsl(0, 68%, 52%) |
| OKLCH | oklch(58% 0.201 26.2) |
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 #D83333 | 4.72:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #D83333 | 4.44:1 | AA large text | Lc 32.8 | Non-text elements, placeholder text |
| #D83333 text on white | 4.72:1 | AA | Lc 71.3 | Content text, not long reading |
| #D83333 text on black | 4.44:1 | AA large text | Lc -30.4 | Non-text elements, placeholder text |
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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA2
oklch(80.9% 0.091 25.9)
-
Step 400
400
#ED7970
oklch(70.7% 0.145 25.9)
-
Step 500
500
#E44F49
oklch(63.1% 0.186 26.2)
-
Step 600
600 (this color)
#D83333
oklch(58% 0.201 26.2)
-
Step 700
700
#B3171E
oklch(49.1% 0.188 26.2)
-
Step 800
800
#91191B
oklch(42.7% 0.155 26.2)
-
Step 900
900
#751E1C
oklch(37.8% 0.121 26.2)
-
Step 950
950
#451311
oklch(27% 0.077 26)
#D83333 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) | #665C31 | 0.218 |
| Deuteranopia (no green cones) | #8F802C | 0.198 |
| Tritanopia (no blue cones) | #EE0035 | 0.047 |
| Achromatopsia (no color) | #737373 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D83333
#D83333
oklch(58% 0.201 26.2)
- #008B97
#008B97
oklch(58.1% 0.099 205.5)
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 #D83333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.032
- Imperial Red #E63946 ΔE 0.035
- Faded Red #D3494E ΔE 0.035
- Tomato Red #EC2D01 ΔE 0.045
- Red Pantone #EF233C ΔE 0.046
- Cherry #CF0234 ΔE 0.047
- Dark Coral #CF524E ΔE 0.047
- Lipstick #D5174E ΔE 0.051
Use #D83333 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.