#C03224
Closest named color: Dull Red (#BB3F3F). oklch(53.6% 0.181 29.8), rgb(192, 50, 36).
Aa
White text reads best on this color (5.64:1).
About this color
#C03224 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.181 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.028 away. White text reads best on it, at 5.64:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.72:1 |
| White text | 5.64:1 |
Values
| HEX | #C03224 |
| RGB | rgb(192, 50, 36) |
| HSL | hsl(5, 68%, 45%) |
| OKLCH | oklch(53.6% 0.181 29.8) |
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 #C03224 | 5.64:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #C03224 | 3.72:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #C03224 text on white | 5.64:1 | AA | Lc 76.8 | Fine for body text |
| #C03224 text on black | 3.72:1 | AA large text | Lc -24.9 | 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
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F6CFC8
oklch(88.6% 0.045 29.9)
-
Step 300
300
#F1ADA2
oklch(80.9% 0.082 29.3)
-
Step 400
400
#E67F6F
oklch(70.7% 0.13 30)
-
Step 500
500
#DC5A49
oklch(63.2% 0.166 29.9)
-
Step 600
600 (this color)
#C03224
oklch(53.6% 0.181 29.8)
-
Step 700
700
#AC2A1D
oklch(49.2% 0.169 29.9)
-
Step 800
800
#8B251A
oklch(42.6% 0.139 30)
-
Step 900
900
#70251C
oklch(37.7% 0.108 29.8)
-
Step 950
950
#421711
oklch(27% 0.068 30.2)
#C03224 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) | #5D5321 | 0.193 |
| Deuteranopia (no green cones) | #80731D | 0.177 |
| Tritanopia (no blue cones) | #D40030 | 0.051 |
| Achromatopsia (no color) | #676767 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C03224
#C03224
oklch(53.6% 0.181 29.8)
- #007C8B
#007C8B
oklch(53.7% 0.093 209.5)
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 #C03224, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.028
- Sinopia #BB3E03 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.039
- Firebrick #B22222 ΔE 0.040
- Scarlet #BE0119 ΔE 0.041
- Lipstick Red #C0022F ΔE 0.046
- Dusty Red #B9484E ΔE 0.048
- Brick Orange #C14A09 ΔE 0.048
Use #C03224 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.