#DD0C43
Closest named color: Crimson (#DC143C). oklch(57.2% 0.225 17.6), rgb(221, 12, 67).
Aa
White text reads best on this color (4.99:1).
About this color
#DD0C43 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.225 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.010 away. White text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.225) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #DD0C43 |
| RGB | rgb(221, 12, 67) |
| HSL | hsl(344, 90%, 46%) |
| OKLCH | oklch(57.2% 0.225 17.6) |
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 #DD0C43 | 4.99:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #DD0C43 | 4.20:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #DD0C43 text on white | 4.99:1 | AA | Lc 72.0 | Content text, not long reading |
| #DD0C43 text on black | 4.20:1 | AA large text | Lc -29.7 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE3E3
oklch(93.7% 0.029 17.7)
-
Step 200
200
#FCCBCB
oklch(88.5% 0.056 18.3)
-
Step 300
300
#FBA6A8
oklch(80.9% 0.101 18)
-
Step 400
400
#F4717A
oklch(70.7% 0.161 17.9)
-
Step 500
500
#EC4059
oklch(63.2% 0.207 17.6)
-
Step 600
600 (this color)
#DD0C43
oklch(57.2% 0.225 17.6)
-
Step 700
700
#B50034
oklch(49% 0.196 17.6)
-
Step 800
800
#960029
oklch(42.7% 0.171 17.8)
-
Step 900
900
#791325
oklch(37.7% 0.135 17.9)
-
Step 950
950
#470F16
oklch(27% 0.084 18)
#DD0C43 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) | #5A5543 | 0.252 |
| Deuteranopia (no green cones) | #8A7E3D | 0.230 |
| Tritanopia (no blue cones) | #F3002A | 0.051 |
| Achromatopsia (no color) | #6F6F6F | 0.227 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD0C43
#DD0C43
oklch(57.2% 0.225 17.6)
- #00898C
#00898C
oklch(57.2% 0.097 197.5)
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 #DD0C43, closest first.
No curated palette has a color within ΔE 0.04 of #DD0C43.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.010
- Lipstick #D5174E ΔE 0.020
- Cherry #CF0234 ΔE 0.034
- Cerise #DE0C62 ΔE 0.042
- Ruby #CA0147 ΔE 0.042
- Red Pantone #EF233C ΔE 0.045
- Imperial Red #E63946 ΔE 0.047
- Pink Red #F5054F ΔE 0.050
Use #DD0C43 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.