#C91518
Closest named color: Scarlet (#BE0119). oklch(53.2% 0.208 27.8), rgb(201, 21, 24).
Aa
White text reads best on this color (5.82:1).
About this color
#C91518 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.208 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.028 away. White text reads best on it, at 5.82:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #C91518 |
| RGB | rgb(201, 21, 24) |
| HSL | hsl(359, 81%, 44%) |
| OKLCH | oklch(53.2% 0.208 27.8) |
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 #C91518 | 5.82:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #C91518 | 3.60:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #C91518 text on white | 5.82:1 | AA | Lc 76.9 | Fine for body text |
| #C91518 text on black | 3.60:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE4E0
oklch(93.7% 0.027 28.9)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F7AA9F
oklch(80.9% 0.093 28.3)
-
Step 400
400
#EF786B
oklch(70.7% 0.149 27.8)
-
Step 500
500
#E64D42
oklch(63.1% 0.191 27.9)
-
Step 600
600 (this color)
#C91518
oklch(53.2% 0.208 27.8)
-
Step 700
700
#B50F13
oklch(49.1% 0.194 27.8)
-
Step 800
800
#931514
oklch(42.7% 0.16 27.7)
-
Step 900
900
#761C18
oklch(37.7% 0.125 27.5)
-
Step 950
950
#46130F
oklch(27.1% 0.079 28)
#C91518 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) | #574D14 | 0.228 |
| Deuteranopia (no green cones) | #817207 | 0.205 |
| Tritanopia (no blue cones) | #DE001B | 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°).
- #C91518
#C91518
oklch(53.2% 0.208 27.8)
- #007B88
#007B88
oklch(53.3% 0.092 207.7)
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 #C91518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.028
- Cherry #CF0234 ΔE 0.030
- Lipstick Red #C0022F ΔE 0.033
- Firebrick #B22222 ΔE 0.045
- Rose Red #BE013C ΔE 0.048
- Crimson #DC143C ΔE 0.051
- Dull Red #BB3F3F ΔE 0.051
- Ruby #CA0147 ΔE 0.052
Use #C91518 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.