#CA6351
Closest named color: Terracotta (#CA6641). oklch(61.9% 0.135 31.4), rgb(202, 99, 81).
Aa
Black text reads best on this color (5.41:1).
About this color
#CA6351 is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.135 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.022 away. Black text reads best on it, at 5.41:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #CA6351 |
| RGB | rgb(202, 99, 81) |
| HSL | hsl(9, 53%, 55%) |
| OKLCH | oklch(61.9% 0.135 31.4) |
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 #CA6351 | 3.87:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #CA6351 | 5.41:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #CA6351 text on white | 3.87:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #CA6351 text on black | 5.41:1 | AA | Lc -35.9 | 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
#E8B2A7
oklch(81% 0.065 31.6)
-
Step 400
400
#DA8777
oklch(70.6% 0.105 31.6)
-
Step 500
500 (this color)
#CA6351
oklch(61.9% 0.135 31.4)
-
Step 600
600
#B94B39
oklch(55.5% 0.146 31.5)
-
Step 700
700
#9F3B2B
oklch(49% 0.136 31.5)
-
Step 800
800
#813225
oklch(42.6% 0.112 31.5)
-
Step 900
900
#682D23
oklch(37.7% 0.087 31.3)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#CA6351 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) | #7D744F | 0.137 |
| Deuteranopia (no green cones) | #968A4F | 0.127 |
| Tritanopia (no blue cones) | #DC515F | 0.053 |
| Achromatopsia (no color) | #818181 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA6351
#CA6351
oklch(61.9% 0.135 31.4)
- #0097AB
#0097AB
oklch(62% 0.108 211.1)
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 #CA6351, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.022
- Terracota #CB6843 ΔE 0.023
- Indian Red #CD5C5C ΔE 0.025
- Terra Cotta #C9643B ΔE 0.026
- Adobe #BD6C48 ΔE 0.034
- Dark Coral #CF524E ΔE 0.034
- Pale Red #D9544D ΔE 0.036
- Pastel Red #DB5856 ΔE 0.038
Use #CA6351 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.