#CA644C
Closest named color: Terracotta (#CA6641). oklch(62% 0.135 34.4), rgb(202, 100, 76).
Aa
Black text reads best on this color (5.43:1).
About this color
#CA644C is a medium-light, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.135 and its hue 34°. 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 5.43:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #CA644C |
| RGB | rgb(202, 100, 76) |
| HSL | hsl(11, 54%, 55%) |
| OKLCH | oklch(62% 0.135 34.4) |
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 #CA644C | 3.86:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #CA644C | 5.43:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #CA644C text on white | 3.86:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #CA644C text on black | 5.43:1 | AA | Lc -36.1 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E8B2A4
oklch(80.9% 0.066 35)
-
Step 400
400
#DA8874
oklch(70.7% 0.106 34.5)
-
Step 500
500 (this color)
#CA644C
oklch(62% 0.135 34.4)
-
Step 600
600
#B94C33
oklch(55.6% 0.147 34.3)
-
Step 700
700
#9F3C25
oklch(49% 0.137 34.5)
-
Step 800
800
#813320
oklch(42.7% 0.113 34.9)
-
Step 900
900
#682D20
oklch(37.6% 0.088 33.8)
-
Step 950
950
#3D1B13
oklch(26.9% 0.056 34.4)
#CA644C 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) | #7E744A | 0.135 |
| Deuteranopia (no green cones) | #978A4A | 0.124 |
| Tritanopia (no blue cones) | #DC515E | 0.058 |
| Achromatopsia (no color) | #828282 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA644C
#CA644C
oklch(62% 0.135 34.4)
- #0096AF
#0096AF
oklch(62% 0.109 215)
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 #CA644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.015
- Terracota #CB6843 ΔE 0.016
- Terra Cotta #C9643B ΔE 0.019
- Adobe #BD6C48 ΔE 0.030
- Indian Red #CD5C5C ΔE 0.031
- Clay #B66A50 ΔE 0.036
- Dark Coral #CF524E ΔE 0.039
- Pale Red #D9544D ΔE 0.040
Use #CA644C 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.