#D21C25
Closest named color: Cherry (#CF0234). oklch(55.3% 0.212 26.1), rgb(210, 28, 37).
Aa
White text reads best on this color (5.33:1).
About this color
#D21C25 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.212 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.025 away. White text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #D21C25 |
| RGB | rgb(210, 28, 37) |
| HSL | hsl(357, 76%, 47%) |
| OKLCH | oklch(55.3% 0.212 26.1) |
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 #D21C25 | 5.33:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #D21C25 | 3.93:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #D21C25 text on white | 5.33:1 | AA | Lc 74.5 | Content text, not long reading |
| #D21C25 text on black | 3.93:1 | AA large text | Lc -27.2 | 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
#FACCC7
oklch(88.4% 0.053 25.4)
-
Step 300
300
#F8A9A0
oklch(80.9% 0.095 26.5)
-
Step 400
400
#F1766D
oklch(70.7% 0.153 26)
-
Step 500
500
#E84A46
oklch(63.1% 0.195 25.9)
-
Step 600
600 (this color)
#D21C25
oklch(55.3% 0.212 26.1)
-
Step 700
700
#B60619
oklch(49.1% 0.197 26)
-
Step 800
800
#941117
oklch(42.7% 0.163 26.2)
-
Step 900
900
#771A1A
oklch(37.7% 0.128 25.8)
-
Step 950
950
#461210
oklch(27% 0.08 26.2)
#D21C25 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) | #5C5223 | 0.231 |
| Deuteranopia (no green cones) | #87781B | 0.209 |
| Tritanopia (no blue cones) | #E80023 | 0.042 |
| Achromatopsia (no color) | #6B6B6B | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D21C25
#D21C25
oklch(55.3% 0.212 26.1)
- #00828E
#00828E
oklch(55.4% 0.095 206.2)
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 #D21C25, closest first.
No curated palette has a color within ΔE 0.04 of #D21C25.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.025
- Crimson #DC143C ΔE 0.031
- Lipstick Red #C0022F ΔE 0.047
- Lipstick #D5174E ΔE 0.047
- Scarlet #BE0119 ΔE 0.049
- Ruby #CA0147 ΔE 0.050
- Dull Red #BB3F3F ΔE 0.053
- Rose Red #BE013C ΔE 0.058
Use #D21C25 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.