#C66145
Closest named color: Terra Cotta (#C9643B). oklch(60.9% 0.136 36.4), rgb(198, 97, 69).
Aa
Black text reads best on this color (5.19:1).
About this color
#C66145 is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.136 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.016 away. Black text reads best on it, at 5.19:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #C66145 |
| RGB | rgb(198, 97, 69) |
| HSL | hsl(13, 53%, 52%) |
| OKLCH | oklch(60.9% 0.136 36.4) |
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 #C66145 | 4.04:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #C66145 | 5.19:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #C66145 text on white | 4.04:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #C66145 text on black | 5.19:1 | AA | Lc -34.5 | 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
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C8
oklch(88.4% 0.037 36.8)
-
Step 300
300
#E8B2A3
oklch(80.9% 0.067 36.1)
-
Step 400
400
#DA8871
oklch(70.7% 0.107 36.4)
-
Step 500
500 (this color)
#C66145
oklch(60.9% 0.136 36.4)
-
Step 600
600
#B94C2E
oklch(55.5% 0.148 36.2)
-
Step 700
700
#9F3D21
oklch(49.1% 0.137 36.5)
-
Step 800
800
#81331D
oklch(42.7% 0.113 36.5)
-
Step 900
900
#682E1D
oklch(37.7% 0.088 37.1)
-
Step 950
950
#3D1B12
oklch(26.9% 0.056 35.8)
#C66145 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) | #7B7142 | 0.134 |
| Deuteranopia (no green cones) | #948743 | 0.124 |
| Tritanopia (no blue cones) | #D84E5A | 0.060 |
| Achromatopsia (no color) | #7E7E7E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66145
#C66145
oklch(60.9% 0.136 36.4)
- #0092AC
#0092AC
oklch(60.8% 0.108 216.3)
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 #C66145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.016
- Terracotta #CA6641 ΔE 0.016
- Terracota #CB6843 ΔE 0.020
- Adobe #BD6C48 ΔE 0.027
- Clay #B66A50 ΔE 0.032
- Indian Red #CD5C5C ΔE 0.036
- Dark Coral #CF524E ΔE 0.038
- Rusty Orange #CD5909 ΔE 0.040
Use #C66145 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.