#D03339
Closest named color: Crimson (#DC143C). oklch(56.7% 0.193 24.1), rgb(208, 51, 57).
Aa
White text reads best on this color (4.98:1).
About this color
#D03339 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.193 and its hue 24°. 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 4.98:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #D03339 |
| RGB | rgb(208, 51, 57) |
| HSL | hsl(358, 63%, 51%) |
| OKLCH | oklch(56.7% 0.193 24.1) |
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 #D03339 | 4.98:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #D03339 | 4.21:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #D03339 text on white | 4.98:1 | AA | Lc 73.0 | Content text, not long reading |
| #D03339 text on black | 4.21:1 | AA large text | Lc -28.7 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F8CDCA
oklch(88.4% 0.049 22.8)
-
Step 300
300
#F4ABA5
oklch(80.9% 0.087 24.4)
-
Step 400
400
#EB7B75
oklch(70.8% 0.139 24.4)
-
Step 500
500
#E15351
oklch(63.2% 0.178 24.4)
-
Step 600
600 (this color)
#D03339
oklch(56.7% 0.193 24.1)
-
Step 700
700
#B01E28
oklch(49.1% 0.18 24.2)
-
Step 800
800
#8F1D23
oklch(42.7% 0.149 23.9)
-
Step 900
900
#732021
oklch(37.7% 0.116 24)
-
Step 950
950
#441414
oklch(27% 0.074 23.5)
#D03339 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) | #625A38 | 0.210 |
| Deuteranopia (no green cones) | #897C33 | 0.193 |
| Tritanopia (no blue cones) | #E50037 | 0.045 |
| Achromatopsia (no color) | #707070 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D03339
#D03339
oklch(56.7% 0.193 24.1)
- #008791
#008791
oklch(56.8% 0.097 204)
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 #D03339, 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 0.037
- Cherry #CF0234 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.040
- Lipstick #D5174E ΔE 0.043
- Imperial Red #E63946 ΔE 0.048
- Dark Coral #CF524E ΔE 0.049
- Dusty Red #B9484E ΔE 0.050
Use #D03339 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.