#C5644A
Closest named color: Terracotta (#CA6641). oklch(61.3% 0.13 36), rgb(197, 100, 74).
Aa
Black text reads best on this color (5.29:1).
About this color
#C5644A is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.130 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.015 away. Black text reads best on it, at 5.29:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #C5644A |
| RGB | rgb(197, 100, 74) |
| HSL | hsl(13, 51%, 53%) |
| OKLCH | oklch(61.3% 0.13 36) |
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 #C5644A | 3.96:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #C5644A | 5.29:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #C5644A text on white | 3.96:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #C5644A text on black | 5.29:1 | AA | Lc -35.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A5
oklch(80.9% 0.063 35.9)
-
Step 400
400
#D88974
oklch(70.7% 0.102 35.6)
-
Step 500
500 (this color)
#C5644A
oklch(61.3% 0.13 36)
-
Step 600
600
#B74F33
oklch(55.7% 0.142 36)
-
Step 700
700
#9D3F25
oklch(49.1% 0.132 36.2)
-
Step 800
800
#7F3520
oklch(42.7% 0.108 36.6)
-
Step 900
900
#672F20
oklch(37.8% 0.085 36)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#C5644A 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) | #7D7347 | 0.128 |
| Deuteranopia (no green cones) | #958848 | 0.118 |
| Tritanopia (no blue cones) | #D7525E | 0.059 |
| Achromatopsia (no color) | #808080 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5644A
#C5644A
oklch(61.3% 0.13 36)
- #0094AD
#0094AD
oklch(61.4% 0.109 215.3)
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 #C5644A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.015
- Terra Cotta #C9643B ΔE 0.017
- Terracota #CB6843 ΔE 0.018
- Adobe #BD6C48 ΔE 0.023
- Clay #B66A50 ΔE 0.028
- Indian Red #CD5C5C ΔE 0.036
- Dark Coral #CF524E ΔE 0.042
- Rusty Orange #CD5909 ΔE 0.045
Use #C5644A 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.