#D01821
Closest named color: Cherry (#CF0234). oklch(54.7% 0.212 26.5), rgb(208, 24, 33).
Aa
White text reads best on this color (5.47:1).
About this color
#D01821 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.212 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.024 away. White text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #D01821 |
| RGB | rgb(208, 24, 33) |
| HSL | hsl(357, 79%, 45%) |
| OKLCH | oklch(54.7% 0.212 26.5) |
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 #D01821 | 5.47:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #D01821 | 3.83:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #D01821 text on white | 5.47:1 | AA | Lc 75.1 | Fine for body text |
| #D01821 text on black | 3.83:1 | AA large text | Lc -26.6 | 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
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F8A9A0
oklch(80.9% 0.095 26.5)
-
Step 400
400
#F1766C
oklch(70.7% 0.153 26.4)
-
Step 500
500
#E84A44
oklch(63.1% 0.196 26.6)
-
Step 600
600 (this color)
#D01821
oklch(54.7% 0.212 26.5)
-
Step 700
700
#B60616
oklch(49% 0.197 26.6)
-
Step 800
800
#941116
oklch(42.7% 0.163 26.5)
-
Step 900
900
#771A19
oklch(37.7% 0.128 26.3)
-
Step 950
950
#46120F
oklch(27% 0.08 27.1)
#D01821 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) | #5A501E | 0.233 |
| Deuteranopia (no green cones) | #857715 | 0.211 |
| Tritanopia (no blue cones) | #E6001F | 0.043 |
| Achromatopsia (no color) | #696969 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D01821
#D01821
oklch(54.7% 0.212 26.5)
- #00808C
#00808C
oklch(54.8% 0.094 206.3)
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 #D01821, closest first.
No curated palette has a color within ΔE 0.04 of #D01821.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.024
- Crimson #DC143C ΔE 0.036
- Lipstick Red #C0022F ΔE 0.043
- Scarlet #BE0119 ΔE 0.043
- Ruby #CA0147 ΔE 0.050
- Lipstick #D5174E ΔE 0.050
- Dull Red #BB3F3F ΔE 0.053
- Rose Red #BE013C ΔE 0.055
Use #D01821 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.