#C93B20
Closest named color: Sinopia (#BB3E03). oklch(56% 0.183 32.8), rgb(201, 59, 32).
Aa
White text reads best on this color (5.08:1).
About this color
#C93B20 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.183 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.032 away. White text reads best on it, at 5.08:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #C93B20 |
| RGB | rgb(201, 59, 32) |
| HSL | hsl(10, 73%, 46%) |
| OKLCH | oklch(56% 0.183 32.8) |
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 #C93B20 | 5.08:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #C93B20 | 4.12:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #C93B20 text on white | 5.08:1 | AA | Lc 73.8 | Content text, not long reading |
| #C93B20 text on black | 4.12:1 | AA large text | Lc -27.9 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AE9F
oklch(81% 0.082 33)
-
Step 400
400
#E77F6A
oklch(70.7% 0.133 32.5)
-
Step 500
500
#DC5A41
oklch(63.1% 0.168 32.8)
-
Step 600
600 (this color)
#C93B20
oklch(56% 0.183 32.8)
-
Step 700
700
#AC2A10
oklch(49.1% 0.17 32.8)
-
Step 800
800
#8C2512
oklch(42.7% 0.142 32.6)
-
Step 900
900
#702517
oklch(37.7% 0.109 32.7)
-
Step 950
950
#42170E
oklch(27% 0.069 33.5)
#C93B20 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) | #665A1B | 0.191 |
| Deuteranopia (no green cones) | #897A18 | 0.174 |
| Tritanopia (no blue cones) | #DE0036 | 0.063 |
| Achromatopsia (no color) | #6E6E6E | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C93B20
#C93B20
oklch(56% 0.183 32.8)
- #008396
#008396
oklch(56% 0.098 212.4)
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 #C93B20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.033
- Dull Red #BB3F3F ΔE 0.038
- Burnt Orange #C04E01 ΔE 0.042
- Faded Red #D3494E ΔE 0.051
- Rust Orange #C45508 ΔE 0.052
- Dusty Red #B9484E ΔE 0.052
- Dark Coral #CF524E ΔE 0.054
Use #C93B20 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.