#C40E2E
Closest named color: Lipstick Red (#C0022F). oklch(52.2% 0.205 21.9), rgb(196, 14, 46).
Aa
White text reads best on this color (6.08:1).
About this color
#C40E2E is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.205 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.012 away. White text reads best on it, at 6.08:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.44:1 |
| White text | 6.08:1 |
Values
| HEX | #C40E2E |
| RGB | rgb(196, 14, 46) |
| HSL | hsl(349, 87%, 41%) |
| OKLCH | oklch(52.2% 0.205 21.9) |
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 #C40E2E | 6.08:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #C40E2E | 3.44:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #C40E2E text on white | 6.08:1 | AA | Lc 78.1 | Fine for body text |
| #C40E2E text on black | 3.44:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCCC9
oklch(88.6% 0.055 22.4)
-
Step 300
300
#FAA7A4
oklch(80.9% 0.099 21.8)
-
Step 400
400
#F37373
oklch(70.7% 0.158 21.9)
-
Step 500
500
#EB444E
oklch(63.2% 0.203 22.1)
-
Step 600
600
#D60B32
oklch(55.6% 0.22 21.9)
-
Step 700
700 (this color)
#C40E2E
oklch(52.2% 0.205 21.9)
-
Step 800
800
#960420
oklch(42.7% 0.17 21.8)
-
Step 900
900
#78161F
oklch(37.6% 0.132 22)
-
Step 950
950
#471013
oklch(27% 0.083 21.8)
#C40E2E 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) | #514A2D | 0.228 |
| Deuteranopia (no green cones) | #7C6F27 | 0.206 |
| Tritanopia (no blue cones) | #D8001F | 0.042 |
| Achromatopsia (no color) | #626262 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C40E2E
#C40E2E
oklch(52.2% 0.205 21.9)
- #00787F
#00787F
oklch(52.1% 0.089 201.9)
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 #C40E2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.012
- Scarlet #BE0119 ΔE 0.023
- Cherry #CF0234 ΔE 0.023
- Rose Red #BE013C ΔE 0.025
- Ruby #CA0147 ΔE 0.034
- Firebrick #B22222 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.050
- Lipstick #D5174E ΔE 0.051
Use #C40E2E 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.