#C31238
Closest named color: Lipstick Red (#C0022F). oklch(52.3% 0.202 18.9), rgb(195, 18, 56).
Aa
White text reads best on this color (6.06:1).
About this color
#C31238 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.202 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.013 away. White text reads best on it, at 6.06:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #C31238 |
| RGB | rgb(195, 18, 56) |
| HSL | hsl(347, 83%, 42%) |
| OKLCH | oklch(52.3% 0.202 18.9) |
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 #C31238 | 6.06:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #C31238 | 3.46:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #C31238 text on white | 6.06:1 | AA | Lc 78.1 | Fine for body text |
| #C31238 text on black | 3.46:1 | AA large text | Lc -23.7 | 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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCB
oklch(88.6% 0.053 19.6)
-
Step 300
300
#F9A7A8
oklch(80.8% 0.097 18.6)
-
Step 400
400
#F27379
oklch(70.7% 0.156 19)
-
Step 500
500
#E94557
oklch(63.1% 0.2 19.1)
-
Step 600
600
#D5103D
oklch(55.7% 0.218 18.9)
-
Step 700
700 (this color)
#C31238
oklch(52.3% 0.202 18.9)
-
Step 800
800
#950728
oklch(42.7% 0.167 18.8)
-
Step 900
900
#781724
oklch(37.8% 0.13 19.4)
-
Step 950
950
#471016
oklch(27.1% 0.083 18.6)
#C31238 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) | #514B38 | 0.224 |
| Deuteranopia (no green cones) | #7B6F32 | 0.204 |
| Tritanopia (no blue cones) | #D70025 | 0.044 |
| Achromatopsia (no color) | #626262 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C31238
#C31238
oklch(52.3% 0.202 18.9)
- #00797D
#00797D
oklch(52.3% 0.089 198.8)
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 #C31238, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.013
- Rose Red #BE013C ΔE 0.017
- Cherry #CF0234 ΔE 0.024
- Ruby #CA0147 ΔE 0.025
- Scarlet #BE0119 ΔE 0.031
- Firebrick #B22222 ΔE 0.043
- Lipstick #D5174E ΔE 0.046
- Dull Red #BB3F3F ΔE 0.050
Use #C31238 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.