#CB4839
Closest named color: Dark Coral (#CF524E). oklch(58% 0.169 29.6), rgb(203, 72, 57).
Aa
White text reads best on this color (4.64:1).
About this color
#CB4839 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.169 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Coral (#CF524E), ΔE 0.028 away. White text reads best on it, at 4.64:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Dark Coral (#CF524E) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #CB4839 |
| RGB | rgb(203, 72, 57) |
| HSL | hsl(6, 58%, 51%) |
| OKLCH | oklch(58% 0.169 29.6) |
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 #CB4839 | 4.64:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #CB4839 | 4.52:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #CB4839 text on white | 4.64:1 | AA | Lc 71.3 | Content text, not long reading |
| #CB4839 text on black | 4.52:1 | AA | Lc -30.4 | 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 600.
-
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
#F4CFC9
oklch(88.4% 0.043 28.8)
-
Step 300
300
#EEAFA4
oklch(81% 0.076 30)
-
Step 400
400
#E28273
oklch(70.7% 0.121 29.8)
-
Step 500
500
#D75E4E
oklch(63% 0.156 29.7)
-
Step 600
600 (this color)
#CB4839
oklch(58% 0.169 29.6)
-
Step 700
700
#A83124
oklch(49.2% 0.157 29.9)
-
Step 800
800
#882A20
oklch(42.7% 0.13 29.5)
-
Step 900
900
#6E281F
oklch(37.8% 0.102 29.9)
-
Step 950
950
#401813
oklch(26.9% 0.064 29.2)
#CB4839 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) | #6C6237 | 0.177 |
| Deuteranopia (no green cones) | #8D7F35 | 0.162 |
| Tritanopia (no blue cones) | #DF2645 | 0.058 |
| Achromatopsia (no color) | #757575 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB4839
#CB4839
oklch(58% 0.169 29.6)
- #008A9B
#008A9B
oklch(58% 0.1 209.9)
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 #CB4839, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Coral #CF524E ΔE 0.028
- Faded Red #D3494E ΔE 0.029
- Dull Red #BB3F3F ΔE 0.040
- Brick Orange #C14A09 ΔE 0.040
- Pale Red #D9544D ΔE 0.041
- Dusty Red #B9484E ΔE 0.043
- Burnt Orange #C04E01 ΔE 0.046
- Indian Red #CD5C5C ΔE 0.048
Use #CB4839 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.