#DC1F37
Closest named color: Crimson (#DC143C). oklch(57.5% 0.217 22.4), rgb(220, 31, 55).
Aa
White text reads best on this color (4.89:1).
About this color
#DC1F37 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.217 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.011 away. White text reads best on it, at 4.89:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.217) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #DC1F37 |
| RGB | rgb(220, 31, 55) |
| HSL | hsl(352, 75%, 49%) |
| OKLCH | oklch(57.5% 0.217 22.4) |
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 #DC1F37 | 4.89:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #DC1F37 | 4.29:1 | AA large text | Lc 32.3 | Non-text elements, placeholder text |
| #DC1F37 text on white | 4.89:1 | AA | Lc 71.8 | Content text, not long reading |
| #DC1F37 text on black | 4.29:1 | AA large text | Lc -29.9 | 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
#FBCCC9
oklch(88.5% 0.054 22.5)
-
Step 300
300
#FAA8A4
oklch(81% 0.098 22.5)
-
Step 400
400
#F27473
oklch(70.7% 0.156 22.3)
-
Step 500
500
#EA464E
oklch(63.2% 0.2 22.5)
-
Step 600
600 (this color)
#DC1F37
oklch(57.5% 0.217 22.4)
-
Step 700
700
#B60026
oklch(49% 0.198 22.3)
-
Step 800
800
#95081F
oklch(42.6% 0.167 22.5)
-
Step 900
900
#78171F
oklch(37.7% 0.131 22.3)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#DC1F37 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) | #5F5836 | 0.241 |
| Deuteranopia (no green cones) | #8D7F30 | 0.218 |
| Tritanopia (no blue cones) | #F2002B | 0.042 |
| Achromatopsia (no color) | #717171 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DC1F37
#DC1F37
oklch(57.5% 0.217 22.4)
- #008992
#008992
oklch(57.4% 0.098 202.9)
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 #DC1F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.011
- Cherry #CF0234 ΔE 0.035
- Lipstick #D5174E ΔE 0.035
- Imperial Red #E63946 ΔE 0.038
- Red Pantone #EF233C ΔE 0.040
- Faded Red #D3494E ΔE 0.049
- Cherry Red #F7022A ΔE 0.052
- Tomato Red #EC2D01 ΔE 0.052
Use #DC1F37 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.