#C4644C
Closest named color: Terracotta (#CA6641). oklch(61.2% 0.128 35.1), rgb(196, 100, 76).
Aa
Black text reads best on this color (5.27:1).
About this color
#C4644C is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.128 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.018 away. Black text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #C4644C |
| RGB | rgb(196, 100, 76) |
| HSL | hsl(12, 50%, 53%) |
| OKLCH | oklch(61.2% 0.128 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 #C4644C | 3.98:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #C4644C | 5.27:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #C4644C text on white | 3.98:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #C4644C text on black | 5.27:1 | AA | Lc -35.0 | 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
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD2CA
oklch(88.6% 0.034 35.9)
-
Step 300
300
#E6B3A5
oklch(80.9% 0.063 35.9)
-
Step 400
400
#D78975
oklch(70.6% 0.101 35.1)
-
Step 500
500 (this color)
#C4644C
oklch(61.2% 0.128 35.1)
-
Step 600
600
#B64F36
oklch(55.6% 0.14 34.9)
-
Step 700
700
#9C3F28
oklch(49% 0.13 35.1)
-
Step 800
800
#7F3523
oklch(42.7% 0.107 34.9)
-
Step 900
900
#662F21
oklch(37.6% 0.083 35.4)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#C4644C 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) | #7D734A | 0.126 |
| Deuteranopia (no green cones) | #94874A | 0.117 |
| Tritanopia (no blue cones) | #D6535E | 0.056 |
| Achromatopsia (no color) | #7F7F7F | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4644C
#C4644C
oklch(61.2% 0.128 35.1)
- #0093AC
#0093AC
oklch(61.1% 0.108 215.4)
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 #C4644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.018
- Terra Cotta #C9643B ΔE 0.020
- Terracota #CB6843 ΔE 0.021
- Adobe #BD6C48 ΔE 0.023
- Clay #B66A50 ΔE 0.027
- Indian Red #CD5C5C ΔE 0.035
- Dark Coral #CF524E ΔE 0.041
- Pinkish Brown #B17261 ΔE 0.044
Use #C4644C 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.