#C3604C
Closest named color: Terracotta (#CA6641). oklch(60.4% 0.131 32.8), rgb(195, 96, 76).
Aa
Black text reads best on this color (5.09:1).
About this color
#C3604C is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.131 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.026 away. Black text reads best on it, at 5.09:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.09:1 |
| White text | 4.11:1 |
Values
| HEX | #C3604C |
| RGB | rgb(195, 96, 76) |
| HSL | hsl(10, 50%, 53%) |
| OKLCH | oklch(60.4% 0.131 32.8) |
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 #C3604C | 4.11:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #C3604C | 5.09:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #C3604C text on white | 4.11:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #C3604C text on black | 5.09:1 | AA | Lc -33.8 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E7B2A6
oklch(80.9% 0.065 33)
-
Step 400
400
#D98877
oklch(70.7% 0.103 32.6)
-
Step 500
500 (this color)
#C3604C
oklch(60.4% 0.131 32.8)
-
Step 600
600
#B84D38
oklch(55.6% 0.143 32.9)
-
Step 700
700
#9E3D2B
oklch(49.1% 0.133 32.5)
-
Step 800
800
#803324
oklch(42.6% 0.11 32.8)
-
Step 900
900
#672E22
oklch(37.7% 0.085 33.3)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#C3604C 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) | #79704A | 0.132 |
| Deuteranopia (no green cones) | #91854A | 0.122 |
| Tritanopia (no blue cones) | #D54E5B | 0.054 |
| Achromatopsia (no color) | #7D7D7D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3604C
#C3604C
oklch(60.4% 0.131 32.8)
- #0091A7
#0091A7
oklch(60.3% 0.106 213.3)
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 #C3604C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.026
- Terra Cotta #C9643B ΔE 0.026
- Terracota #CB6843 ΔE 0.029
- Clay #B66A50 ΔE 0.030
- Indian Red #CD5C5C ΔE 0.031
- Adobe #BD6C48 ΔE 0.031
- Dark Coral #CF524E ΔE 0.035
- Pale Red #D9544D ΔE 0.044
Use #C3604C 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.