#CB5A42
Closest named color: Terra Cotta (#C9643B). oklch(60.5% 0.149 33.5), rgb(203, 90, 66).
Aa
Black text reads best on this color (5.08:1).
About this color
#CB5A42 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.149 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.025 away. Black text reads best on it, at 5.08:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #CB5A42 |
| RGB | rgb(203, 90, 66) |
| HSL | hsl(11, 57%, 53%) |
| OKLCH | oklch(60.5% 0.149 33.5) |
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 #CB5A42 | 4.13:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #CB5A42 | 5.08:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #CB5A42 text on white | 4.13:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #CB5A42 text on black | 5.08:1 | AA | Lc -33.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A2
oklch(80.9% 0.073 33.5)
-
Step 400
400
#DF8470
oklch(70.6% 0.117 33.3)
-
Step 500
500 (this color)
#CB5A42
oklch(60.5% 0.149 33.5)
-
Step 600
600
#BF452B
oklch(55.5% 0.162 33.7)
-
Step 700
700
#A5351E
oklch(49.1% 0.152 33.4)
-
Step 800
800
#862E1B
oklch(42.8% 0.125 33.8)
-
Step 900
900
#6C2A1C
oklch(37.7% 0.098 33.6)
-
Step 950
950
#3F1911
oklch(26.8% 0.062 33.3)
#CB5A42 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) | #786D3F | 0.151 |
| Deuteranopia (no green cones) | #94863F | 0.139 |
| Tritanopia (no blue cones) | #DE4355 | 0.061 |
| Achromatopsia (no color) | #7D7D7D | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB5A42
#CB5A42
oklch(60.5% 0.149 33.5)
- #0092A8
#0092A8
oklch(60.6% 0.106 213.2)
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 #CB5A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.025
- Dark Coral #CF524E ΔE 0.026
- Terracotta #CA6641 ΔE 0.027
- Terracota #CB6843 ΔE 0.031
- Indian Red #CD5C5C ΔE 0.031
- Pale Red #D9544D ΔE 0.032
- Rusty Orange #CD5909 ΔE 0.039
- Pastel Red #DB5856 ΔE 0.039
Use #CB5A42 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.