#CB3D51
Closest named color: Deep Rose (#C74767). oklch(57.2% 0.178 16.9), rgb(203, 61, 81).
Aa
White text reads best on this color (4.85:1).
About this color
#CB3D51 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.178 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Rose (#C74767), ΔE 0.030 away. White text reads best on it, at 4.85:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Deep Rose (#C74767) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #CB3D51 |
| RGB | rgb(203, 61, 81) |
| HSL | hsl(352, 58%, 52%) |
| OKLCH | oklch(57.2% 0.178 16.9) |
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 #CB3D51 | 4.85:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #CB3D51 | 4.32:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #CB3D51 text on white | 4.85:1 | AA | Lc 72.5 | Content text, not long reading |
| #CB3D51 text on black | 4.32:1 | AA large text | Lc -29.2 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#F0ACAE
oklch(80.9% 0.08 17)
-
Step 400
400
#E57D84
oklch(70.7% 0.128 16.6)
-
Step 500
500
#DA5865
oklch(63.1% 0.163 17.1)
-
Step 600
600 (this color)
#CB3D51
oklch(57.2% 0.178 16.9)
-
Step 700
700
#AA283E
oklch(49.1% 0.165 16.7)
-
Step 800
800
#8A2433
oklch(42.7% 0.136 17)
-
Step 900
900
#6F242D
oklch(37.7% 0.106 16.8)
-
Step 950
950
#41161A
oklch(26.9% 0.067 17.2)
#CB3D51 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) | #625F51 | 0.196 |
| Deuteranopia (no green cones) | #877C4D | 0.179 |
| Tritanopia (no blue cones) | #DE1745 | 0.045 |
| Achromatopsia (no color) | #717171 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB3D51
#CB3D51
oklch(57.2% 0.178 16.9)
- #00898C
#00898C
oklch(57.2% 0.097 197.5)
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 #CB3D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Rose #C74767 ΔE 0.030
- Faded Red #D3494E ΔE 0.030
- Dark Pink #CB416B ΔE 0.035
- Dusty Red #B9484E ΔE 0.037
- Dull Red #BB3F3F ΔE 0.039
- Lipstick #D5174E ΔE 0.040
- Dark Coral #CF524E ΔE 0.042
- Dark Rose #B5485D ΔE 0.044
Use #CB3D51 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.