#DC1840
Closest named color: Crimson (#DC143C). oklch(57.3% 0.22 19.2), rgb(220, 24, 64).
Aa
White text reads best on this color (4.94:1).
About this color
#DC1840 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.220 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.004 away. White text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #DC1840 |
| RGB | rgb(220, 24, 64) |
| HSL | hsl(348, 80%, 48%) |
| OKLCH | oklch(57.3% 0.22 19.2) |
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 #DC1840 | 4.94:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #DC1840 | 4.24:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #DC1840 text on white | 4.94:1 | AA | Lc 72.0 | Content text, not long reading |
| #DC1840 text on black | 4.24:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCB
oklch(88.5% 0.056 18.3)
-
Step 300
300
#FAA7A7
oklch(80.9% 0.099 19.4)
-
Step 400
400
#F37278
oklch(70.6% 0.159 19.2)
-
Step 500
500
#EA4356
oklch(63% 0.202 19.1)
-
Step 600
600 (this color)
#DC1840
oklch(57.3% 0.22 19.2)
-
Step 700
700
#B60030
oklch(49.1% 0.197 19.1)
-
Step 800
800
#960326
oklch(42.7% 0.17 19.4)
-
Step 900
900
#781524
oklch(37.6% 0.132 18.8)
-
Step 950
950
#471015
oklch(27.1% 0.083 19.7)
#DC1840 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) | #5C5740 | 0.246 |
| Deuteranopia (no green cones) | #8B7E39 | 0.223 |
| Tritanopia (no blue cones) | #F2002C | 0.046 |
| Achromatopsia (no color) | #707070 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DC1840
#DC1840
oklch(57.3% 0.22 19.2)
- #00898E
#00898E
oklch(57.2% 0.097 199.3)
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 #DC1840, closest first.
No curated palette has a color within ΔE 0.04 of #DC1840.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.004
- Lipstick #D5174E ΔE 0.024
- Cherry #CF0234 ΔE 0.033
- Imperial Red #E63946 ΔE 0.042
- Red Pantone #EF233C ΔE 0.043
- Ruby #CA0147 ΔE 0.045
- Cerise #DE0C62 ΔE 0.048
- Pink Red #F5054F ΔE 0.052
Use #DC1840 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.