#C53128
Closest named color: Dull Red (#BB3F3F). oklch(54.4% 0.186 28.5), rgb(197, 49, 40).
Aa
White text reads best on this color (5.46:1).
About this color
#C53128 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.186 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.029 away. White text reads best on it, at 5.46:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #C53128 |
| RGB | rgb(197, 49, 40) |
| HSL | hsl(3, 66%, 46%) |
| OKLCH | oklch(54.4% 0.186 28.5) |
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 #C53128 | 5.46:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #C53128 | 3.84:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #C53128 text on white | 5.46:1 | AA | Lc 75.8 | Fine for body text |
| #C53128 text on black | 3.84:1 | AA large text | Lc -25.9 | 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
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F2ACA2
oklch(80.8% 0.084 28.1)
-
Step 400
400
#E87D70
oklch(70.6% 0.134 28.2)
-
Step 500
500
#DE574A
oklch(63.1% 0.172 28.4)
-
Step 600
600 (this color)
#C53128
oklch(54.4% 0.186 28.5)
-
Step 700
700
#AE261F
oklch(49.2% 0.173 28.4)
-
Step 800
800
#8D221B
oklch(42.7% 0.144 28.5)
-
Step 900
900
#71231C
oklch(37.6% 0.112 28.6)
-
Step 950
950
#431611
oklch(27.1% 0.071 28.9)
#C53128 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) | #5E5525 | 0.200 |
| Deuteranopia (no green cones) | #837521 | 0.182 |
| Tritanopia (no blue cones) | #D90031 | 0.048 |
| Achromatopsia (no color) | #696969 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C53128
#C53128
oklch(54.4% 0.186 28.5)
- #007E8D
#007E8D
oklch(54.3% 0.094 209.3)
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 #C53128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.029
- Sinopia #BB3E03 ΔE 0.037
- Cherry #CF0234 ΔE 0.042
- Scarlet #BE0119 ΔE 0.044
- Lipstick Red #C0022F ΔE 0.046
- Dusty Red #B9484E ΔE 0.048
- Firebrick #B22222 ΔE 0.048
- Rusty Red #AF2F0D ΔE 0.050
Use #C53128 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.