#CE0021
Closest named color: Cherry (#CF0234). oklch(53.6% 0.217 25), rgb(206, 0, 33).
Aa
White text reads best on this color (5.75:1).
About this color
#CE0021 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.217 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.018 away. White text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.217) |
| Temperature | warm |
| Nearest name | Cherry (#CF0234) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #CE0021 |
| RGB | rgb(206, 0, 33) |
| HSL | hsl(350, 100%, 40%) |
| OKLCH | oklch(53.6% 0.217 25) |
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 #CE0021 | 5.75:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #CE0021 | 3.64:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #CE0021 text on white | 5.75:1 | AA | Lc 76.0 | Fine for body text |
| #CE0021 text on black | 3.64:1 | AA large text | Lc -25.7 | 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
#FAA8A1
oklch(81% 0.098 24.8)
-
Step 400
400
#F2746E
oklch(70.6% 0.156 24.6)
-
Step 500
500
#EA4747
oklch(63.2% 0.2 24.9)
-
Step 600
600 (this color)
#CE0021
oklch(53.6% 0.217 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#950A18
oklch(42.6% 0.167 25.1)
-
Step 900
900
#78181A
oklch(37.7% 0.13 25.2)
-
Step 950
950
#471110
oklch(27.1% 0.083 25.5)
#CE0021 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) | #554C1F | 0.241 |
| Deuteranopia (no green cones) | #827415 | 0.218 |
| Tritanopia (no blue cones) | #E40015 | 0.046 |
| Achromatopsia (no color) | #666666 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CE0021
#CE0021
oklch(53.6% 0.217 25)
- #007C87
#007C87
oklch(53.5% 0.092 205.7)
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 #CE0021, closest first.
No curated palette has a color within ΔE 0.04 of #CE0021.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cherry #CF0234 ΔE 0.018
- Lipstick Red #C0022F ΔE 0.032
- Scarlet #BE0119 ΔE 0.034
- Crimson #DC143C ΔE 0.040
- Ruby #CA0147 ΔE 0.043
- Rose Red #BE013C ΔE 0.045
- Lipstick #D5174E ΔE 0.050
- Firebrick #B22222 ΔE 0.055
Use #CE0021 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.