#CB5C40
Closest named color: Terra Cotta (#C9643B). oklch(60.8% 0.148 35.3), rgb(203, 92, 64).
Aa
Black text reads best on this color (5.14:1).
About this color
#CB5C40 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.148 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.020 away. Black text reads best on it, at 5.14:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #CB5C40 |
| RGB | rgb(203, 92, 64) |
| HSL | hsl(12, 57%, 52%) |
| OKLCH | oklch(60.8% 0.148 35.3) |
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 #CB5C40 | 4.08:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #CB5C40 | 5.14:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #CB5C40 text on white | 4.08:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #CB5C40 text on black | 5.14:1 | AA | Lc -34.3 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C7
oklch(88.4% 0.04 35.2)
-
Step 300
300
#EBB1A1
oklch(81% 0.072 36)
-
Step 400
400
#DF856E
oklch(70.7% 0.116 35.2)
-
Step 500
500 (this color)
#CB5C40
oklch(60.8% 0.148 35.3)
-
Step 600
600
#BE4628
oklch(55.5% 0.161 35.1)
-
Step 700
700
#A4371A
oklch(49.1% 0.15 35.4)
-
Step 800
800
#852F18
oklch(42.7% 0.123 35.7)
-
Step 900
900
#6B2B1A
oklch(37.7% 0.096 35.9)
-
Step 950
950
#3F1A10
oklch(27% 0.061 36.1)
#CB5C40 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) | #7A6F3D | 0.147 |
| Deuteranopia (no green cones) | #95873D | 0.136 |
| Tritanopia (no blue cones) | #DE4556 | 0.064 |
| Achromatopsia (no color) | #7E7E7E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB5C40
#CB5C40
oklch(60.8% 0.148 35.3)
- #0092AB
#0092AB
oklch(60.8% 0.108 215.5)
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 #CB5C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.020
- Terracotta #CA6641 ΔE 0.022
- Terracota #CB6843 ΔE 0.026
- Dark Coral #CF524E ΔE 0.031
- Indian Red #CD5C5C ΔE 0.034
- Pale Red #D9544D ΔE 0.035
- Rusty Orange #CD5909 ΔE 0.035
- Adobe #BD6C48 ΔE 0.039
Use #CB5C40 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.