#C12037
Closest named color: Lipstick Red (#C0022F). oklch(52.6% 0.193 20.6), rgb(193, 32, 55).
Aa
White text reads best on this color (5.95:1).
About this color
#C12037 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.193 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.019 away. White text reads best on it, at 5.95:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #C12037 |
| RGB | rgb(193, 32, 55) |
| HSL | hsl(351, 72%, 44%) |
| OKLCH | oklch(52.6% 0.193 20.6) |
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 #C12037 | 5.95:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #C12037 | 3.52:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #C12037 text on white | 5.95:1 | AA | Lc 78.0 | Fine for body text |
| #C12037 text on black | 3.52:1 | AA large text | Lc -23.8 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F8CDCC
oklch(88.5% 0.049 19.7)
-
Step 300
300
#F4AAA9
oklch(80.8% 0.088 20)
-
Step 400
400
#EA7A7B
oklch(70.7% 0.139 20.6)
-
Step 500
500
#E0525A
oklch(63.1% 0.177 20.5)
-
Step 600
600 (this color)
#C12037
oklch(52.6% 0.193 20.6)
-
Step 700
700
#B01D32
oklch(49.2% 0.18 20.4)
-
Step 800
800
#8F1C2A
oklch(42.7% 0.149 20.3)
-
Step 900
900
#732026
oklch(37.8% 0.116 20.7)
-
Step 950
950
#441416
oklch(27% 0.074 21.1)
#C12037 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) | #544E36 | 0.214 |
| Deuteranopia (no green cones) | #7B7032 | 0.196 |
| Tritanopia (no blue cones) | #D4002B | 0.038 |
| Achromatopsia (no color) | #646464 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C12037
#C12037
oklch(52.6% 0.193 20.6)
- #007A7F
#007A7F
oklch(52.7% 0.09 199.8)
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 #C12037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.019
- Rose Red #BE013C ΔE 0.025
- Cherry #CF0234 ΔE 0.028
- Scarlet #BE0119 ΔE 0.031
- Ruby #CA0147 ΔE 0.033
- Firebrick #B22222 ΔE 0.038
- Dull Red #BB3F3F ΔE 0.039
- Lipstick #D5174E ΔE 0.049
Use #C12037 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.