#CB423B
Closest named color: Faded Red (#D3494E). oklch(57.4% 0.175 27), rgb(203, 66, 59).
Aa
White text reads best on this color (4.79:1).
About this color
#CB423B is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.175 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Faded Red (#D3494E), ΔE 0.028 away. White text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Faded Red (#D3494E) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #CB423B |
| RGB | rgb(203, 66, 59) |
| HSL | hsl(3, 58%, 51%) |
| OKLCH | oklch(57.4% 0.175 27) |
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 #CB423B | 4.79:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #CB423B | 4.38:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #CB423B text on white | 4.79:1 | AA | Lc 72.2 | Content text, not long reading |
| #CB423B text on black | 4.38:1 | AA large text | Lc -29.5 | Dividers and decoration only |
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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F5CFCA
oklch(88.5% 0.044 26.8)
-
Step 300
300
#EFAEA5
oklch(80.9% 0.078 27.8)
-
Step 400
400
#E48075
oklch(70.7% 0.125 27.3)
-
Step 500
500
#D95B52
oklch(63% 0.16 26.7)
-
Step 600
600 (this color)
#CB423B
oklch(57.4% 0.175 27)
-
Step 700
700
#AA2D28
oklch(49.2% 0.162 27.3)
-
Step 800
800
#8A2723
oklch(42.8% 0.135 26.8)
-
Step 900
900
#6F2621
oklch(37.8% 0.105 27.1)
-
Step 950
950
#411714
oklch(26.9% 0.066 26.5)
#CB423B 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) | #685F39 | 0.186 |
| Deuteranopia (no green cones) | #8B7D37 | 0.170 |
| Tritanopia (no blue cones) | #DF1A42 | 0.055 |
| Achromatopsia (no color) | #727272 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB423B
#CB423B
oklch(57.4% 0.175 27)
- #008896
#008896
oklch(57.3% 0.098 207.5)
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 #CB423B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Red #D3494E ΔE 0.028
- Dark Coral #CF524E ΔE 0.033
- Dull Red #BB3F3F ΔE 0.034
- Dusty Red #B9484E ΔE 0.039
- Brick Orange #C14A09 ΔE 0.047
- Pale Red #D9544D ΔE 0.047
- Sinopia #BB3E03 ΔE 0.051
- Crimson #DC143C ΔE 0.053
Use #CB423B 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.