#C5644D
Closest named color: Terracotta (#CA6641). oklch(61.3% 0.129 34.5), rgb(197, 100, 77).
Aa
Black text reads best on this color (5.30:1).
About this color
#C5644D is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.129 and its hue 34°. 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 5.30:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #C5644D |
| RGB | rgb(197, 100, 77) |
| HSL | hsl(12, 51%, 54%) |
| OKLCH | oklch(61.3% 0.129 34.5) |
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 #C5644D | 3.95:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #C5644D | 5.30:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #C5644D text on white | 3.95:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #C5644D text on black | 5.30:1 | AA | Lc -35.2 | 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
#EFD1CA
oklch(88.4% 0.035 33.3)
-
Step 300
300
#E6B3A6
oklch(81% 0.063 34.7)
-
Step 400
400
#D88976
oklch(70.7% 0.101 34.2)
-
Step 500
500 (this color)
#C5644D
oklch(61.3% 0.129 34.5)
-
Step 600
600
#B64F36
oklch(55.6% 0.14 34.9)
-
Step 700
700
#9D3F29
oklch(49.2% 0.131 34.5)
-
Step 800
800
#7F3423
oklch(42.6% 0.108 34.2)
-
Step 900
900
#672F21
oklch(37.8% 0.084 35.2)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#C5644D 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) | #7D734B | 0.128 |
| Deuteranopia (no green cones) | #94884B | 0.119 |
| Tritanopia (no blue cones) | #D7535F | 0.056 |
| Achromatopsia (no color) | #808080 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5644D
#C5644D
oklch(61.3% 0.129 34.5)
- #0094AC
#0094AC
oklch(61.3% 0.108 214.5)
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 #C5644D, 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 0.021
- Terracota #CB6843 ΔE 0.021
- Adobe #BD6C48 ΔE 0.025
- Clay #B66A50 ΔE 0.028
- Indian Red #CD5C5C ΔE 0.033
- Dark Coral #CF524E ΔE 0.040
- Pinkish Brown #B17261 ΔE 0.045
Use #C5644D 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.