#C9150D
Closest named color: Scarlet (#BE0119). oklch(53.1% 0.209 29.3), rgb(201, 21, 13).
Aa
White text reads best on this color (5.83:1).
About this color
#C9150D is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.209 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.029 away. White text reads best on it, at 5.83:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #C9150D |
| RGB | rgb(201, 21, 13) |
| HSL | hsl(3, 88%, 42%) |
| OKLCH | oklch(53.1% 0.209 29.3) |
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 #C9150D | 5.83:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #C9150D | 3.59:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #C9150D text on white | 5.83:1 | AA | Lc 76.9 | Fine for body text |
| #C9150D text on black | 3.59:1 | AA large text | Lc -24.8 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F7AA9D
oklch(80.9% 0.093 29.9)
-
Step 400
400
#F07868
oklch(70.8% 0.151 29.2)
-
Step 500
500
#E64D3D
oklch(63% 0.192 29.4)
-
Step 600
600 (this color)
#C9150D
oklch(53.1% 0.209 29.3)
-
Step 700
700
#B51009
oklch(49.1% 0.194 29.3)
-
Step 800
800
#93150E
oklch(42.7% 0.161 29.2)
-
Step 900
900
#761C14
oklch(37.6% 0.126 29.4)
-
Step 950
950
#46130D
oklch(27.1% 0.08 29.8)
#C9150D 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) | #574C05 | 0.229 |
| Deuteranopia (no green cones) | #817200 | 0.203 |
| Tritanopia (no blue cones) | #DE0018 | 0.042 |
| Achromatopsia (no color) | #656565 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9150D
#C9150D
oklch(53.1% 0.209 29.3)
- #007A89
#007A89
oklch(53.1% 0.092 209.7)
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 #C9150D, closest first.
No curated palette has a color within ΔE 0.04 of #C9150D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.029
- Cherry #CF0234 ΔE 0.035
- Lipstick Red #C0022F ΔE 0.038
- Firebrick #B22222 ΔE 0.046
- Sinopia #BB3E03 ΔE 0.051
- Rusty Red #AF2F0D ΔE 0.053
- Rose Red #BE013C ΔE 0.053
- Dull Red #BB3F3F ΔE 0.053
Use #C9150D 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.