#C02B2A
Closest named color: Dull Red (#BB3F3F). oklch(53% 0.186 26.6), rgb(192, 43, 42).
Aa
White text reads best on this color (5.80:1).
About this color
#C02B2A is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.186 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.030 away. White text reads best on it, at 5.80:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.62:1 |
| White text | 5.80:1 |
Values
| HEX | #C02B2A |
| RGB | rgb(192, 43, 42) |
| HSL | hsl(0, 64%, 46%) |
| OKLCH | oklch(53% 0.186 26.6) |
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 #C02B2A | 5.80:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #C02B2A | 3.62:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #C02B2A text on white | 5.80:1 | AA | Lc 77.5 | Fine for body text |
| #C02B2A text on black | 3.62:1 | AA large text | Lc -24.3 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F2ACA4
oklch(80.9% 0.084 26.4)
-
Step 400
400
#E87D73
oklch(70.7% 0.134 26.5)
-
Step 500
500
#DE574E
oklch(63.2% 0.171 26.9)
-
Step 600
600 (this color)
#C02B2A
oklch(53% 0.186 26.6)
-
Step 700
700
#AD2525
oklch(49% 0.172 26.4)
-
Step 800
800
#8D2220
oklch(42.8% 0.143 26.5)
-
Step 900
900
#71231F
oklch(37.7% 0.111 26.7)
-
Step 950
950
#431613
oklch(27.1% 0.071 26.6)
#C02B2A 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) | #595128 | 0.202 |
| Deuteranopia (no green cones) | #7E7124 | 0.183 |
| Tritanopia (no blue cones) | #D4002D | 0.043 |
| Achromatopsia (no color) | #656565 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C02B2A
#C02B2A
oklch(53% 0.186 26.6)
- #007A86
#007A86
oklch(53% 0.091 206.8)
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 #C02B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.030
- Scarlet #BE0119 ΔE 0.032
- Lipstick Red #C0022F ΔE 0.034
- Firebrick #B22222 ΔE 0.034
- Cherry #CF0234 ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
- Rose Red #BE013C ΔE 0.045
Use #C02B2A 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.