#CB6351
Closest named color: Terracotta (#CA6641). oklch(62.1% 0.136 31.4), rgb(203, 99, 81).
Aa
Black text reads best on this color (5.44:1).
About this color
#CB6351 is a medium-light, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.136 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 5.44:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #CB6351 |
| RGB | rgb(203, 99, 81) |
| HSL | hsl(9, 54%, 56%) |
| OKLCH | oklch(62.1% 0.136 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 #CB6351 | 3.85:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #CB6351 | 5.44:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #CB6351 text on white | 3.85:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #CB6351 text on black | 5.44:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E2
oklch(93.5% 0.019 29.5)
-
Step 200
200
#F1D1CA
oklch(88.6% 0.037 32.4)
-
Step 300
300
#E8B1A6
oklch(80.8% 0.067 31.4)
-
Step 400
400
#DB8777
oklch(70.8% 0.107 31.5)
-
Step 500
500 (this color)
#CB6351
oklch(62.1% 0.136 31.4)
-
Step 600
600
#BA4B39
oklch(55.7% 0.147 31.4)
-
Step 700
700
#A03B2B
oklch(49.2% 0.138 31.4)
-
Step 800
800
#823225
oklch(42.8% 0.114 31.4)
-
Step 900
900
#692D22
oklch(37.8% 0.089 32.1)
-
Step 950
950
#3E1B15
oklch(27.1% 0.056 31.1)
#CB6351 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 | 0.138 |
| Deuteranopia (no green cones) | #978A4F | 0.127 |
| Tritanopia (no blue cones) | #DD515F | 0.053 |
| Achromatopsia (no color) | #828282 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB6351
#CB6351
oklch(62.1% 0.136 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 #CB6351, 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 0.024
- Terra Cotta #C9643B ΔE 0.026
- Dark Coral #CF524E ΔE 0.034
- Pale Red #D9544D ΔE 0.035
- Adobe #BD6C48 ΔE 0.035
- Pastel Red #DB5856 ΔE 0.036
Use #CB6351 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.