#C23033
Closest named color: Dull Red (#BB3F3F). oklch(53.9% 0.183 24.9), rgb(194, 48, 51).
Aa
White text reads best on this color (5.57:1).
About this color
#C23033 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.183 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.023 away. White text reads best on it, at 5.57:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #C23033 |
| RGB | rgb(194, 48, 51) |
| HSL | hsl(359, 60%, 47%) |
| OKLCH | oklch(53.9% 0.183 24.9) |
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 #C23033 | 5.57:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #C23033 | 3.76:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #C23033 text on white | 5.57:1 | AA | Lc 76.5 | Fine for body text |
| #C23033 text on black | 3.76:1 | AA large text | Lc -25.3 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F6CECA
oklch(88.4% 0.046 24.8)
-
Step 300
300
#F1ACA6
oklch(80.8% 0.082 24.6)
-
Step 400
400
#E77D77
oklch(70.6% 0.132 24.3)
-
Step 500
500
#DD5753
oklch(63.1% 0.169 24.9)
-
Step 600
600 (this color)
#C23033
oklch(53.9% 0.183 24.9)
-
Step 700
700
#AC272A
oklch(49.1% 0.169 25.1)
-
Step 800
800
#8C2324
oklch(42.7% 0.141 25)
-
Step 900
900
#712322
oklch(37.7% 0.11 24.8)
-
Step 950
950
#421614
oklch(26.9% 0.069 25.4)
#C23033 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) | #5C5432 | 0.197 |
| Deuteranopia (no green cones) | #80732E | 0.180 |
| Tritanopia (no blue cones) | #D60033 | 0.045 |
| Achromatopsia (no color) | #686868 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C23033
#C23033
oklch(53.9% 0.183 24.9)
- #007D88
#007D88
oklch(53.8% 0.092 205.6)
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 #C23033, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.023
- Cherry #CF0234 ΔE 0.037
- Lipstick Red #C0022F ΔE 0.038
- Scarlet #BE0119 ΔE 0.041
- Dusty Red #B9484E ΔE 0.042
- Firebrick #B22222 ΔE 0.043
- Sinopia #BB3E03 ΔE 0.046
- Rose Red #BE013C ΔE 0.047
Use #C23033 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.