#C66D52
Closest named color: Terracota (#CB6843). oklch(63% 0.12 37.7), rgb(198, 109, 82).
Aa
Black text reads best on this color (5.71:1).
About this color
#C66D52 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.120 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.018 away. Black text reads best on it, at 5.71:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #C66D52 |
| RGB | rgb(198, 109, 82) |
| HSL | hsl(14, 50%, 55%) |
| OKLCH | oklch(63% 0.12 37.7) |
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 #C66D52 | 3.67:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #C66D52 | 5.71:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #C66D52 text on white | 3.67:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #C66D52 text on black | 5.71:1 | AA | Lc -37.7 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EDD2CA
oklch(88.4% 0.032 37.1)
-
Step 300
300
#E3B4A6
oklch(80.8% 0.058 37.2)
-
Step 400
400
#D48C76
oklch(70.8% 0.094 37.7)
-
Step 500
500 (this color)
#C66D52
oklch(63% 0.12 37.7)
-
Step 600
600
#B25336
oklch(55.6% 0.131 37.6)
-
Step 700
700
#994329
oklch(49.1% 0.122 37.4)
-
Step 800
800
#7C3823
oklch(42.7% 0.1 37.8)
-
Step 900
900
#643121
oklch(37.7% 0.078 38.1)
-
Step 950
950
#3B1D14
oklch(27% 0.05 37.5)
#C66D52 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) | #847A50 | 0.115 |
| Deuteranopia (no green cones) | #998D51 | 0.107 |
| Tritanopia (no blue cones) | #D75D66 | 0.057 |
| Achromatopsia (no color) | #858585 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66D52
#C66D52
oklch(63% 0.12 37.7)
- #0099B6
#0099B6
oklch(63% 0.113 217.6)
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 #C66D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.018
- Terracotta #CA6641 ΔE 0.020
- Adobe #BD6C48 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.026
- Clay #B66A50 ΔE 0.031
- Pinkish Brown #B17261 ΔE 0.039
- Indian Red #CD5C5C ΔE 0.045
- Chocolate #D2691E ΔE 0.046
Use #C66D52 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.