#D42D3D
Closest named color: Crimson (#DC143C). oklch(57% 0.201 22), rgb(212, 45, 61).
Aa
White text reads best on this color (4.95:1).
About this color
#D42D3D is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.201 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.022 away. White text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.24:1 |
| White text | 4.95:1 |
Values
| HEX | #D42D3D |
| RGB | rgb(212, 45, 61) |
| HSL | hsl(354, 66%, 50%) |
| OKLCH | oklch(57% 0.201 22) |
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 #D42D3D | 4.95:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #D42D3D | 4.24:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #D42D3D text on white | 4.95:1 | AA | Lc 72.6 | Content text, not long reading |
| #D42D3D text on black | 4.24:1 | AA large text | Lc -29.0 | 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
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F6AAA6
oklch(81% 0.09 22.6)
-
Step 400
400
#ED7877
oklch(70.7% 0.145 21.9)
-
Step 500
500
#E44E54
oklch(63.2% 0.186 22)
-
Step 600
600 (this color)
#D42D3D
oklch(57% 0.201 22)
-
Step 700
700
#B3152B
oklch(49.2% 0.187 22.1)
-
Step 800
800
#911825
oklch(42.7% 0.155 22)
-
Step 900
900
#741D23
oklch(37.6% 0.12 21.5)
-
Step 950
950
#451315
oklch(27.1% 0.077 21.6)
#D42D3D 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) | #61593C | 0.220 |
| Deuteranopia (no green cones) | #8A7D37 | 0.202 |
| Tritanopia (no blue cones) | #E90035 | 0.041 |
| Achromatopsia (no color) | #707070 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42D3D
#D42D3D
oklch(57% 0.201 22)
- #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 #D42D3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.022
- Cherry #CF0234 ΔE 0.033
- Lipstick #D5174E ΔE 0.034
- Faded Red #D3494E ΔE 0.039
- Imperial Red #E63946 ΔE 0.043
- Ruby #CA0147 ΔE 0.048
- Dull Red #BB3F3F ΔE 0.049
- Red Pantone #EF233C ΔE 0.052
Use #D42D3D 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.