#C15C43
Closest named color: Terra Cotta (#C9643B). oklch(59.3% 0.136 35.1), rgb(193, 92, 67).
Aa
Black text reads best on this color (4.87:1).
About this color
#C15C43 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.136 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.028 away. Black text reads best on it, at 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #C15C43 |
| RGB | rgb(193, 92, 67) |
| HSL | hsl(12, 50%, 51%) |
| OKLCH | oklch(59.3% 0.136 35.1) |
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 #C15C43 | 4.30:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #C15C43 | 4.87:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #C15C43 text on white | 4.30:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #C15C43 text on black | 4.87:1 | AA | Lc -32.4 | 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 600.
-
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
#EFD2CA
oklch(88.6% 0.034 35.9)
-
Step 300
300
#E5B3A6
oklch(80.9% 0.061 35)
-
Step 400
400
#D68A77
oklch(70.7% 0.098 34.7)
-
Step 500
500
#C96B54
oklch(63.1% 0.125 34.8)
-
Step 600
600 (this color)
#C15C43
oklch(59.3% 0.136 35.1)
-
Step 700
700
#9B412A
oklch(49.2% 0.126 35.4)
-
Step 800
800
#7E3624
oklch(42.7% 0.105 35.2)
-
Step 900
900
#663022
oklch(37.8% 0.082 35.6)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#C15C43 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) | #766C40 | 0.136 |
| Deuteranopia (no green cones) | #8F8241 | 0.124 |
| Tritanopia (no blue cones) | #D34956 | 0.058 |
| Achromatopsia (no color) | #7A7A7A | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C15C43
#C15C43
oklch(59.3% 0.136 35.1)
- #008DA5
#008DA5
oklch(59.2% 0.105 215.3)
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 #C15C43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.028
- Terracotta #CA6641 ΔE 0.031
- Clay #B66A50 ΔE 0.034
- Terracota #CB6843 ΔE 0.035
- Adobe #BD6C48 ΔE 0.036
- Dark Coral #CF524E ΔE 0.036
- Indian Red #CD5C5C ΔE 0.039
- Rust Orange #C45508 ΔE 0.039
Use #C15C43 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.