#C55E40
Closest named color: Terra Cotta (#C9643B). oklch(60.2% 0.139 37), rgb(197, 94, 64).
Aa
Black text reads best on this color (5.04:1).
About this color
#C55E40 is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.139 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.018 away. Black text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.04:1 |
| White text | 4.15:1 |
Values
| HEX | #C55E40 |
| RGB | rgb(197, 94, 64) |
| HSL | hsl(14, 53%, 51%) |
| OKLCH | oklch(60.2% 0.139 37) |
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 #C55E40 | 4.15:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #C55E40 | 5.04:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #C55E40 text on white | 4.15:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #C55E40 text on black | 5.04:1 | AA | Lc -33.6 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E9B2A2
oklch(81% 0.068 36.8)
-
Step 400
400
#DB886F
oklch(70.8% 0.109 37.5)
-
Step 500
500 (this color)
#C55E40
oklch(60.2% 0.139 37)
-
Step 600
600
#BA4B2A
oklch(55.5% 0.151 37)
-
Step 700
700
#A03C1D
oklch(49.1% 0.14 37.2)
-
Step 800
800
#82321A
oklch(42.7% 0.116 37)
-
Step 900
900
#692D1C
oklch(37.7% 0.091 36.7)
-
Step 950
950
#3E1B11
oklch(27% 0.058 36.8)
#C55E40 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) | #796E3D | 0.137 |
| Deuteranopia (no green cones) | #93853E | 0.126 |
| Tritanopia (no blue cones) | #D84A57 | 0.063 |
| Achromatopsia (no color) | #7C7C7C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C55E40
#C55E40
oklch(60.2% 0.139 37)
- #0090AA
#0090AA
oklch(60.2% 0.107 216.5)
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 #C55E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.018
- Terracotta #CA6641 ΔE 0.021
- Terracota #CB6843 ΔE 0.026
- Adobe #BD6C48 ΔE 0.032
- Clay #B66A50 ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.036
- Rust Orange #C45508 ΔE 0.037
- Dark Coral #CF524E ΔE 0.037
Use #C55E40 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.