#C91A43
Closest named color: Ruby (#CA0147). oklch(54% 0.203 16.4), rgb(201, 26, 67).
Aa
White text reads best on this color (5.65:1).
About this color
#C91A43 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.203 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.015 away. White text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #C91A43 |
| RGB | rgb(201, 26, 67) |
| HSL | hsl(346, 77%, 45%) |
| OKLCH | oklch(54% 0.203 16.4) |
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 #C91A43 | 5.65:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #C91A43 | 3.71:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #C91A43 text on white | 5.65:1 | AA | Lc 76.3 | Fine for body text |
| #C91A43 text on black | 3.71:1 | AA large text | Lc -25.5 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCD
oklch(88.4% 0.051 16.7)
-
Step 300
300
#F6A9AC
oklch(81% 0.091 16.7)
-
Step 400
400
#ED7780
oklch(70.7% 0.146 16.8)
-
Step 500
500
#E44C61
oklch(63.2% 0.187 16.4)
-
Step 600
600 (this color)
#C91A43
oklch(54% 0.203 16.4)
-
Step 700
700
#B31039
oklch(49.2% 0.189 16.5)
-
Step 800
800
#91152F
oklch(42.7% 0.156 16.7)
-
Step 900
900
#741C2A
oklch(37.6% 0.121 16.4)
-
Step 950
950
#451219
oklch(27% 0.078 16.1)
#C91A43 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) | #545043 | 0.227 |
| Deuteranopia (no green cones) | #7F743E | 0.207 |
| Tritanopia (no blue cones) | #DD002E | 0.044 |
| Achromatopsia (no color) | #676767 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C91A43
#C91A43
oklch(54% 0.203 16.4)
- #007F80
#007F80
oklch(54% 0.092 195.7)
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 #C91A43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.015
- Cherry #CF0234 ΔE 0.020
- Lipstick #D5174E ΔE 0.028
- Rose Red #BE013C ΔE 0.030
- Lipstick Red #C0022F ΔE 0.032
- Crimson #DC143C ΔE 0.039
- Scarlet #BE0119 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.050
Use #C91A43 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.