#C93100
Closest named color: Sinopia (#BB3E03). oklch(54.9% 0.194 34.7), rgb(201, 49, 0).
Aa
White text reads best on this color (5.35:1).
About this color
#C93100 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.194 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.030 away. White text reads best on it, at 5.35:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #C93100 |
| RGB | rgb(201, 49, 0) |
| HSL | hsl(15, 100%, 39%) |
| OKLCH | oklch(54.9% 0.194 34.7) |
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 #C93100 | 5.35:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #C93100 | 3.92:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #C93100 text on white | 5.35:1 | AA | Lc 75.1 | Fine for body text |
| #C93100 text on black | 3.92:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CEC4
oklch(88.4% 0.049 34)
-
Step 300
300
#F3AD9B
oklch(80.9% 0.087 35)
-
Step 400
400
#EA7D63
oklch(70.6% 0.14 34.5)
-
Step 500
500
#E05636
oklch(63% 0.179 34.4)
-
Step 600
600 (this color)
#C93100
oklch(54.9% 0.194 34.7)
-
Step 700
700
#AD2900
oklch(49.1% 0.173 34.7)
-
Step 800
800
#8F2102
oklch(42.8% 0.15 34.6)
-
Step 900
900
#73230F
oklch(37.8% 0.117 34.9)
-
Step 950
950
#43160B
oklch(27% 0.073 35)
#C93100 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) | #625500 | 0.202 |
| Deuteranopia (no green cones) | #877700 | 0.181 |
| Tritanopia (no blue cones) | #DE002B | 0.057 |
| Achromatopsia (no color) | #6B6B6B | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C93100
#C93100
oklch(54.9% 0.194 34.7)
- #007F94
#007F94
oklch(54.9% 0.097 214.6)
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 #C93100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.047
- Burnt Orange #C04E01 ΔE 0.048
- Rusty Red #AF2F0D ΔE 0.054
- Scarlet #BE0119 ΔE 0.054
- Cherry #CF0234 ΔE 0.056
- Firebrick #B22222 ΔE 0.060
Use #C93100 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.