#DA1037
Closest named color: Crimson (#DC143C). oklch(56.5% 0.222 21.1), rgb(218, 16, 55).
Aa
White text reads best on this color (5.10:1).
About this color
#DA1037 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.222 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.007 away. White text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.222) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #DA1037 |
| RGB | rgb(218, 16, 55) |
| HSL | hsl(348, 86%, 46%) |
| OKLCH | oklch(56.5% 0.222 21.1) |
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 #DA1037 | 5.10:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #DA1037 | 4.11:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #DA1037 text on white | 5.10:1 | AA | Lc 72.8 | Content text, not long reading |
| #DA1037 text on black | 4.11:1 | AA large text | Lc -28.9 | 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
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA7A5
oklch(81% 0.1 21)
-
Step 400
400
#F47274
oklch(70.7% 0.16 21.1)
-
Step 500
500
#EB4350
oklch(63.1% 0.204 21.2)
-
Step 600
600 (this color)
#DA1037
oklch(56.5% 0.222 21.1)
-
Step 700
700
#B6002A
oklch(49.1% 0.197 21.1)
-
Step 800
800
#960221
oklch(42.6% 0.17 21.2)
-
Step 900
900
#791520
oklch(37.8% 0.133 21.2)
-
Step 950
950
#470F13
oklch(26.9% 0.085 21.1)
#DA1037 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) | #5B5436 | 0.247 |
| Deuteranopia (no green cones) | #8A7C2F | 0.224 |
| Tritanopia (no blue cones) | #F00025 | 0.046 |
| Achromatopsia (no color) | #6E6E6E | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA1037
#DA1037
oklch(56.5% 0.222 21.1)
- #00868D
#00868D
oklch(56.4% 0.096 201.3)
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 #DA1037, closest first.
No curated palette has a color within ΔE 0.04 of #DA1037.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.007
- Cherry #CF0234 ΔE 0.025
- Lipstick #D5174E ΔE 0.029
- Ruby #CA0147 ΔE 0.043
- Red Pantone #EF233C ΔE 0.048
- Imperial Red #E63946 ΔE 0.049
- Cerise #DE0C62 ΔE 0.056
- Lipstick Red #C0022F ΔE 0.057
Use #DA1037 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.