#DC1738
Closest named color: Crimson (#DC143C). oklch(57.2% 0.221 21.4), rgb(220, 23, 56).
Aa
White text reads best on this color (4.97:1).
About this color
#DC1738 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.221 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.005 away. White text reads best on it, at 4.97:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #DC1738 |
| RGB | rgb(220, 23, 56) |
| HSL | hsl(350, 81%, 48%) |
| OKLCH | oklch(57.2% 0.221 21.4) |
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 #DC1738 | 4.97:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #DC1738 | 4.22:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #DC1738 text on white | 4.97:1 | AA | Lc 72.2 | Content text, not long reading |
| #DC1738 text on black | 4.22:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FAA7A4
oklch(80.9% 0.099 21.8)
-
Step 400
400
#F47374
oklch(70.8% 0.159 21.5)
-
Step 500
500
#EB434F
oklch(63.1% 0.204 21.5)
-
Step 600
600 (this color)
#DC1738
oklch(57.2% 0.221 21.4)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800
#960321
oklch(42.7% 0.17 21.3)
-
Step 900
900
#791520
oklch(37.8% 0.133 21.2)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#DC1738 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) | #5D5637 | 0.246 |
| Deuteranopia (no green cones) | #8C7E31 | 0.222 |
| Tritanopia (no blue cones) | #F20028 | 0.044 |
| Achromatopsia (no color) | #707070 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DC1738
#DC1738
oklch(57.2% 0.221 21.4)
- #008890
#008890
oklch(57.1% 0.097 202.1)
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 #DC1738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.005
- Lipstick #D5174E ΔE 0.031
- Cherry #CF0234 ΔE 0.031
- Red Pantone #EF233C ΔE 0.042
- Imperial Red #E63946 ΔE 0.043
- Ruby #CA0147 ΔE 0.048
- Cherry Red #F7022A ΔE 0.054
- Faded Red #D3494E ΔE 0.054
Use #DC1738 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.