#D70337
Closest named color: Crimson (#DC143C). oklch(55.7% 0.223 20.3), rgb(215, 3, 55).
Aa
White text reads best on this color (5.30:1).
About this color
#D70337 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.223 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.014 away. White text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.223) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #D70337 |
| RGB | rgb(215, 3, 55) |
| HSL | hsl(345, 97%, 43%) |
| OKLCH | oklch(55.7% 0.223 20.3) |
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 #D70337 | 5.30:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #D70337 | 3.95:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #D70337 text on white | 5.30:1 | AA | Lc 73.7 | Content text, not long reading |
| #D70337 text on black | 3.95:1 | AA large text | Lc -28.0 | 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
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FBA6A5
oklch(80.8% 0.101 20.3)
-
Step 400
400
#F47276
oklch(70.7% 0.16 20.2)
-
Step 500
500
#EB4252
oklch(63% 0.204 20.3)
-
Step 600
600 (this color)
#D70337
oklch(55.7% 0.223 20.3)
-
Step 700
700
#B6002D
oklch(49.1% 0.197 20.1)
-
Step 800
800
#970023
oklch(42.8% 0.172 20.4)
-
Step 900
900
#791421
oklch(37.7% 0.134 20.4)
-
Step 950
950
#470F14
oklch(26.9% 0.085 20.1)
#D70337 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) | #585136 | 0.248 |
| Deuteranopia (no green cones) | #877930 | 0.224 |
| Tritanopia (no blue cones) | #ED0021 | 0.049 |
| Achromatopsia (no color) | #6B6B6B | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D70337
#D70337
oklch(55.7% 0.223 20.3)
- #00848A
#00848A
oklch(55.8% 0.095 200.4)
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 #D70337, closest first.
No curated palette has a color within ΔE 0.04 of #D70337.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.014
- Cherry #CF0234 ΔE 0.017
- Lipstick #D5174E ΔE 0.027
- Ruby #CA0147 ΔE 0.035
- Lipstick Red #C0022F ΔE 0.049
- Rose Red #BE013C ΔE 0.054
- Cerise #DE0C62 ΔE 0.056
- Red Pantone #EF233C ΔE 0.057
Use #D70337 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.