#D51228
Closest named color: Cherry (#CF0234). oklch(55.5% 0.218 24.7), rgb(213, 18, 40).
Aa
White text reads best on this color (5.32:1).
About this color
#D51228 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.218 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.022 away. White text reads best on it, at 5.32:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.218) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #D51228 |
| RGB | rgb(213, 18, 40) |
| HSL | hsl(353, 84%, 45%) |
| OKLCH | oklch(55.5% 0.218 24.7) |
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 #D51228 | 5.32:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #D51228 | 3.94:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #D51228 text on white | 5.32:1 | AA | Lc 74.1 | Content text, not long reading |
| #D51228 text on black | 3.94:1 | AA large text | Lc -27.6 | 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
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#FAA8A1
oklch(81% 0.098 24.8)
-
Step 400
400
#F3746E
oklch(70.7% 0.157 24.6)
-
Step 500
500
#EA4647
oklch(63.1% 0.201 24.7)
-
Step 600
600 (this color)
#D51228
oklch(55.5% 0.218 24.7)
-
Step 700
700
#B7001D
oklch(49.1% 0.199 24.8)
-
Step 800
800
#960919
oklch(42.8% 0.168 24.7)
-
Step 900
900
#78181B
oklch(37.7% 0.13 24.7)
-
Step 950
950
#471110
oklch(27.1% 0.083 25.5)
#D51228 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) | #5A5126 | 0.241 |
| Deuteranopia (no green cones) | #88791E | 0.217 |
| Tritanopia (no blue cones) | #EB001F | 0.044 |
| Achromatopsia (no color) | #6B6B6B | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D51228
#D51228
oklch(55.5% 0.218 24.7)
- #00838D
#00838D
oklch(55.6% 0.095 204.2)
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 #D51228, closest first.
No curated palette has a color within ΔE 0.04 of #D51228.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.022
- Crimson #DC143C ΔE 0.024
- Lipstick #D5174E ΔE 0.042
- Ruby #CA0147 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.048
- Scarlet #BE0119 ΔE 0.052
- Rose Red #BE013C ΔE 0.058
- Imperial Red #E63946 ΔE 0.059
Use #D51228 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.