#D42228
Closest named color: Crimson (#DC143C). oklch(56% 0.21 26.2), rgb(212, 34, 40).
Aa
White text reads best on this color (5.17:1).
About this color
#D42228 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.210 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.028 away. White text reads best on it, at 5.17:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #D42228 |
| RGB | rgb(212, 34, 40) |
| HSL | hsl(358, 72%, 48%) |
| OKLCH | oklch(56% 0.21 26.2) |
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 #D42228 | 5.17:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #D42228 | 4.05:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #D42228 text on white | 5.17:1 | AA | Lc 73.7 | Content text, not long reading |
| #D42228 text on black | 4.05:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F8A9A1
oklch(80.9% 0.095 25.8)
-
Step 400
400
#F0776D
oklch(70.7% 0.151 26.4)
-
Step 500
500
#E74B46
oklch(63.1% 0.193 26.2)
-
Step 600
600 (this color)
#D42228
oklch(56% 0.21 26.2)
-
Step 700
700
#B60A19
oklch(49.2% 0.196 26.3)
-
Step 800
800
#931218
oklch(42.6% 0.161 26)
-
Step 900
900
#761B1A
oklch(37.6% 0.126 26.1)
-
Step 950
950
#461210
oklch(27% 0.08 26.2)
#D42228 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) | #5E5526 | 0.230 |
| Deuteranopia (no green cones) | #897A1F | 0.207 |
| Tritanopia (no blue cones) | #EA0027 | 0.042 |
| Achromatopsia (no color) | #6D6D6D | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42228
#D42228
oklch(56% 0.21 26.2)
- #008490
#008490
oklch(56% 0.096 206)
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 #D42228, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.028
- Cherry #CF0234 ΔE 0.030
- Lipstick #D5174E ΔE 0.047
- Dull Red #BB3F3F ΔE 0.053
- Lipstick Red #C0022F ΔE 0.053
- Ruby #CA0147 ΔE 0.053
- Imperial Red #E63946 ΔE 0.054
- Faded Red #D3494E ΔE 0.054
Use #D42228 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.