#C55B59
Closest named color: Indian Red (#CD5C5C). oklch(60.2% 0.136 23.1), rgb(197, 91, 89).
Aa
Black text reads best on this color (5.01:1).
About this color
#C55B59 is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.136 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Indian Red (#CD5C5C), ΔE 0.016 away. Black text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Indian Red (#CD5C5C) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #C55B59 |
| RGB | rgb(197, 91, 89) |
| HSL | hsl(1, 48%, 56%) |
| OKLCH | oklch(60.2% 0.136 23.1) |
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 #C55B59 | 4.18:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #C55B59 | 5.01:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #C55B59 text on white | 4.18:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #C55B59 text on black | 5.01:1 | AA | Lc -33.3 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E9B0AC
oklch(80.8% 0.067 23.2)
-
Step 400
400
#DB8581
oklch(70.6% 0.107 23)
-
Step 500
500 (this color)
#C55B59
oklch(60.2% 0.136 23.1)
-
Step 600
600
#BA4848
oklch(55.5% 0.148 23.2)
-
Step 700
700
#A0393A
oklch(49.1% 0.137 23.1)
-
Step 800
800
#823030
oklch(42.7% 0.114 23.2)
-
Step 900
900
#692B2A
oklch(37.7% 0.089 23.3)
-
Step 950
950
#3E1A19
oklch(27% 0.057 23.2)
#C55B59 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) | #746E58 | 0.145 |
| Deuteranopia (no green cones) | #8E8457 | 0.134 |
| Tritanopia (no blue cones) | #D64A5B | 0.042 |
| Achromatopsia (no color) | #7C7C7C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C55B59
#C55B59
oklch(60.2% 0.136 23.1)
- #00929C
#00929C
oklch(60.1% 0.102 203.3)
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 #C55B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indian Red #CD5C5C ΔE 0.016
- Dark Coral #CF524E ΔE 0.024
- Faded Red #D3494E ΔE 0.038
- Pale Red #D9544D ΔE 0.038
- Dusky Rose #BA6873 ΔE 0.040
- Pastel Red #DB5856 ΔE 0.040
- Terracotta #CA6641 ΔE 0.046
- Clay #B66A50 ΔE 0.047
Use #C55B59 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.