#DC143B
Closest named color: Crimson (#DC143C). oklch(57.1% 0.222 20.4), rgb(220, 20, 59).
Aa
White text reads best on this color (4.99:1).
About this color
#DC143B is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.222 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.001 away. White text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.222) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #DC143B |
| RGB | rgb(220, 20, 59) |
| HSL | hsl(348, 83%, 47%) |
| OKLCH | oklch(57.1% 0.222 20.4) |
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 #DC143B | 4.99:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #DC143B | 4.20:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #DC143B text on white | 4.99:1 | AA | Lc 72.2 | Content text, not long reading |
| #DC143B text on black | 4.20:1 | AA large text | Lc -29.5 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FBA7A5
oklch(81% 0.1 21)
-
Step 400
400
#F47276
oklch(70.7% 0.16 20.2)
-
Step 500
500
#EB4252
oklch(63% 0.204 20.3)
-
Step 600
600 (this color)
#DC143B
oklch(57.1% 0.222 20.4)
-
Step 700
700
#B6002C
oklch(49.1% 0.197 20.5)
-
Step 800
800
#960123
oklch(42.6% 0.171 20.4)
-
Step 900
900
#791521
oklch(37.8% 0.133 20.7)
-
Step 950
950
#470F14
oklch(26.9% 0.085 20.1)
#DC143B 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) | #5C553A | 0.247 |
| Deuteranopia (no green cones) | #8B7E34 | 0.225 |
| Tritanopia (no blue cones) | #F20028 | 0.046 |
| Achromatopsia (no color) | #6F6F6F | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DC143B
#DC143B
oklch(57.1% 0.222 20.4)
- #00888F
#00888F
oklch(57% 0.097 201.2)
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 #DC143B, closest first.
No curated palette has a color within ΔE 0.04 of #DC143B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.001
- Lipstick #D5174E ΔE 0.028
- Cherry #CF0234 ΔE 0.031
- Red Pantone #EF233C ΔE 0.043
- Imperial Red #E63946 ΔE 0.044
- Ruby #CA0147 ΔE 0.046
- Cerise #DE0C62 ΔE 0.052
- Pink Red #F5054F ΔE 0.054
Use #DC143B 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.