#CB543B
Closest named color: Dark Coral (#CF524E). oklch(59.6% 0.157 33.5), rgb(203, 84, 59).
Aa
Black text reads best on this color (4.87:1).
About this color
#CB543B is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.157 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Coral (#CF524E), ΔE 0.025 away. Black text reads best on it, at 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Dark Coral (#CF524E) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #CB543B |
| RGB | rgb(203, 84, 59) |
| HSL | hsl(10, 58%, 51%) |
| OKLCH | oklch(59.6% 0.157 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 #CB543B | 4.31:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #CB543B | 4.87:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #CB543B text on white | 4.31:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #CB543B text on black | 4.87:1 | AA | Lc -32.6 | 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
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C7
oklch(88.6% 0.043 34.3)
-
Step 300
300
#EEAFA1
oklch(80.9% 0.077 32.9)
-
Step 400
400
#E2826D
oklch(70.6% 0.123 33.3)
-
Step 500
500 (this color)
#CB543B
oklch(59.6% 0.157 33.5)
-
Step 600
600
#C34126
oklch(55.7% 0.171 33.5)
-
Step 700
700
#A83118
oklch(49.1% 0.159 33.4)
-
Step 800
800
#882B17
oklch(42.7% 0.131 33.7)
-
Step 900
900
#6E281A
oklch(37.8% 0.103 33.1)
-
Step 950
950
#411810
oklch(27% 0.066 32.7)
#CB543B 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) | #746938 | 0.160 |
| Deuteranopia (no green cones) | #928438 | 0.147 |
| Tritanopia (no blue cones) | #DF3A4F | 0.063 |
| Achromatopsia (no color) | #7A7A7A | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB543B
#CB543B
oklch(59.6% 0.157 33.5)
- #008EA4
#008EA4
oklch(59.4% 0.104 213.6)
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 #CB543B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Coral #CF524E ΔE 0.025
- Pale Red #D9544D ΔE 0.034
- Terra Cotta #C9643B ΔE 0.034
- Terracotta #CA6641 ΔE 0.037
- Faded Red #D3494E ΔE 0.037
- Rusty Orange #CD5909 ΔE 0.037
- Indian Red #CD5C5C ΔE 0.038
- Rust Orange #C45508 ΔE 0.038
Use #CB543B 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.