#C31A5E
Closest named color: Ruby (#CA0147). oklch(53.5% 0.202 4.7), rgb(195, 26, 94).
Aa
White text reads best on this color (5.78:1).
About this color
#C31A5E is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.202 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.034 away. White text reads best on it, at 5.78:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #C31A5E |
| RGB | rgb(195, 26, 94) |
| HSL | hsl(336, 76%, 43%) |
| OKLCH | oklch(53.5% 0.202 4.7) |
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 #C31A5E | 5.78:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #C31A5E | 3.62:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #C31A5E text on white | 5.78:1 | AA | Lc 77.1 | Fine for body text |
| #C31A5E text on black | 3.62:1 | AA large text | Lc -24.7 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F8CCD5
oklch(88.6% 0.051 4.4)
-
Step 300
300
#F3A8B9
oklch(80.8% 0.091 4.4)
-
Step 400
400
#EA7695
oklch(70.7% 0.146 4.6)
-
Step 500
500
#DF4C7B
oklch(63% 0.186 4.6)
-
Step 600
600 (this color)
#C31A5E
oklch(53.5% 0.202 4.7)
-
Step 700
700
#AF1353
oklch(49.2% 0.188 4.8)
-
Step 800
800
#8E1644
oklch(42.7% 0.156 4.7)
-
Step 900
900
#721C39
oklch(37.7% 0.121 4.8)
-
Step 950
950
#431222
oklch(26.9% 0.077 3.8)
#C31A5E 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) | #4B515F | 0.229 |
| Deuteranopia (no green cones) | #77715A | 0.205 |
| Tritanopia (no blue cones) | #D5003B | 0.058 |
| Achromatopsia (no color) | #656565 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C31A5E
#C31A5E
oklch(53.5% 0.202 4.7)
- #007F74
#007F74
oklch(53.6% 0.095 184.3)
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 #C31A5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.034
- Dark Hot Pink #D90166 ΔE 0.044
- Lipstick #D5174E ΔE 0.045
- Rose Red #BE013C ΔE 0.047
- Raspberry #B00149 ΔE 0.052
- Cerise #DE0C62 ΔE 0.053
- Dark Pink #CB416B ΔE 0.054
- Cherry #CF0234 ΔE 0.059
Use #C31A5E 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.