#D42940
Closest named color: Crimson (#DC143C). oklch(56.8% 0.204 20.4), rgb(212, 41, 64).
Aa
White text reads best on this color (5.01:1).
About this color
#D42940 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.204 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.018 away. White text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.19:1 |
| White text | 5.01:1 |
Values
| HEX | #D42940 |
| RGB | rgb(212, 41, 64) |
| HSL | hsl(352, 68%, 50%) |
| OKLCH | oklch(56.8% 0.204 20.4) |
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 #D42940 | 5.01:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #D42940 | 4.19:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #D42940 text on white | 5.01:1 | AA | Lc 72.9 | Content text, not long reading |
| #D42940 text on black | 4.19:1 | AA large text | Lc -28.8 | 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
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CCCB
oklch(88.4% 0.051 19.7)
-
Step 300
300
#F6A9A8
oklch(80.9% 0.091 20.1)
-
Step 400
400
#EE7779
oklch(70.7% 0.147 20.5)
-
Step 500
500
#E44C57
oklch(63% 0.188 20.3)
-
Step 600
600 (this color)
#D42940
oklch(56.8% 0.204 20.4)
-
Step 700
700
#B3102F
oklch(49% 0.189 20.3)
-
Step 800
800
#921528
oklch(42.8% 0.157 20.2)
-
Step 900
900
#751C24
oklch(37.7% 0.122 20.6)
-
Step 950
950
#451216
oklch(27% 0.078 19.6)
#D42940 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) | #5E583F | 0.226 |
| Deuteranopia (no green cones) | #897C3A | 0.205 |
| Tritanopia (no blue cones) | #E90034 | 0.041 |
| Achromatopsia (no color) | #6F6F6F | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42940
#D42940
oklch(56.8% 0.204 20.4)
- #00878D
#00878D
oklch(56.7% 0.096 200.3)
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 #D42940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.018
- Lipstick #D5174E ΔE 0.027
- Cherry #CF0234 ΔE 0.030
- Ruby #CA0147 ΔE 0.043
- Faded Red #D3494E ΔE 0.043
- Imperial Red #E63946 ΔE 0.045
- Dull Red #BB3F3F ΔE 0.051
- Red Pantone #EF233C ΔE 0.053
Use #D42940 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.