#C91A11
Closest named color: Scarlet (#BE0119). oklch(53.4% 0.207 29.3), rgb(201, 26, 17).
Aa
White text reads best on this color (5.77:1).
About this color
#C91A11 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.207 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.031 away. White text reads best on it, at 5.77:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #C91A11 |
| RGB | rgb(201, 26, 17) |
| HSL | hsl(3, 84%, 43%) |
| OKLCH | oklch(53.4% 0.207 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 #C91A11 | 5.77:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #C91A11 | 3.63:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #C91A11 text on white | 5.77:1 | AA | Lc 76.7 | Fine for body text |
| #C91A11 text on black | 3.63:1 | AA large text | Lc -25.0 | 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
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F7AA9E
oklch(80.9% 0.093 29.1)
-
Step 400
400
#EF7968
oklch(70.8% 0.149 29.7)
-
Step 500
500
#E64E3F
oklch(63.2% 0.191 29.1)
-
Step 600
600 (this color)
#C91A11
oklch(53.4% 0.207 29.3)
-
Step 700
700
#B4130B
oklch(49% 0.192 29.4)
-
Step 800
800
#92170F
oklch(42.6% 0.159 29.4)
-
Step 900
900
#761D15
oklch(37.8% 0.125 29.3)
-
Step 950
950
#45130E
oklch(26.9% 0.078 28.9)
#C91A11 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) | #584E0A | 0.226 |
| Deuteranopia (no green cones) | #827300 | 0.202 |
| Tritanopia (no blue cones) | #DE001C | 0.042 |
| Achromatopsia (no color) | #666666 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C91A11
#C91A11
oklch(53.4% 0.207 29.3)
- #007B8A
#007B8A
oklch(53.4% 0.092 209.6)
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 #C91A11, closest first.
No curated palette has a color within ΔE 0.04 of #C91A11.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.031
- Cherry #CF0234 ΔE 0.035
- Lipstick Red #C0022F ΔE 0.039
- Firebrick #B22222 ΔE 0.047
- Sinopia #BB3E03 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.051
- Rusty Red #AF2F0D ΔE 0.052
- Crimson #DC143C ΔE 0.053
Use #C91A11 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.