#C55751
Closest named color: Dark Coral (#CF524E). oklch(59.4% 0.142 25.5), rgb(197, 87, 81).
Aa
Black text reads best on this color (4.85:1).
About this color
#C55751 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.142 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Coral (#CF524E), ΔE 0.019 away. Black text reads best on it, at 4.85:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Dark Coral (#CF524E) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #C55751 |
| RGB | rgb(197, 87, 81) |
| HSL | hsl(3, 50%, 55%) |
| OKLCH | oklch(59.4% 0.142 25.5) |
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 #C55751 | 4.32:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #C55751 | 4.85:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #C55751 text on white | 4.32:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #C55751 text on black | 4.85:1 | AA | Lc -32.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CC
oklch(88.5% 0.039 25.8)
-
Step 300
300
#EAB0AA
oklch(80.9% 0.069 25.4)
-
Step 400
400
#DD847D
oklch(70.6% 0.111 25.1)
-
Step 500
500 (this color)
#C55751
oklch(59.4% 0.142 25.5)
-
Step 600
600
#BD4642
oklch(55.7% 0.154 25.4)
-
Step 700
700
#A33633
oklch(49.1% 0.145 25.6)
-
Step 800
800
#842E2B
oklch(42.7% 0.119 25.5)
-
Step 900
900
#6A2A27
oklch(37.6% 0.093 25.2)
-
Step 950
950
#3F1917
oklch(27% 0.06 24.9)
#C55751 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) | #726B50 | 0.150 |
| Deuteranopia (no green cones) | #8D824F | 0.138 |
| Tritanopia (no blue cones) | #D74456 | 0.046 |
| Achromatopsia (no color) | #797979 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C55751
#C55751
oklch(59.4% 0.142 25.5)
- #008F9C
#008F9C
oklch(59.4% 0.102 206.1)
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 #C55751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Coral #CF524E ΔE 0.019
- Indian Red #CD5C5C ΔE 0.023
- Faded Red #D3494E ΔE 0.033
- Pale Red #D9544D ΔE 0.037
- Dusty Red #B9484E ΔE 0.042
- Pastel Red #DB5856 ΔE 0.042
- Terra Cotta #C9643B ΔE 0.046
- Terracotta #CA6641 ΔE 0.046
Use #C55751 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.