#CB3863
Closest named color: Dark Pink (#CB416B). oklch(57.1% 0.184 7.9), rgb(203, 56, 99).
Aa
White text reads best on this color (4.90:1).
About this color
#CB3863 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.184 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.015 away. White text reads best on it, at 4.90:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #CB3863 |
| RGB | rgb(203, 56, 99) |
| HSL | hsl(342, 59%, 51%) |
| OKLCH | oklch(57.1% 0.184 7.9) |
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 #CB3863 | 4.90:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #CB3863 | 4.28:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CB3863 text on white | 4.90:1 | AA | Lc 72.7 | Content text, not long reading |
| #CB3863 text on black | 4.28:1 | AA large text | Lc -28.9 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F6CDD3
oklch(88.5% 0.047 8.2)
-
Step 300
300
#F0ABB6
oklch(80.9% 0.082 8.5)
-
Step 400
400
#E57B91
oklch(70.7% 0.132 7.8)
-
Step 500
500
#DA5476
oklch(63% 0.17 7.8)
-
Step 600
600 (this color)
#CB3863
oklch(57.1% 0.184 7.9)
-
Step 700
700
#AA234E
oklch(49.1% 0.171 7.9)
-
Step 800
800
#8A2040
oklch(42.7% 0.142 7.9)
-
Step 900
900
#6F2136
oklch(37.6% 0.111 7.9)
-
Step 950
950
#421520
oklch(27.1% 0.07 8)
#CB3863 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) | #5C5E64 | 0.206 |
| Deuteranopia (no green cones) | #827B5F | 0.188 |
| Tritanopia (no blue cones) | #DD174A | 0.047 |
| Achromatopsia (no color) | #717171 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB3863
#CB3863
oklch(57.1% 0.184 7.9)
- #008A83
#008A83
oklch(57.1% 0.099 188.5)
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 #CB3863, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.015
- Deep Rose #C74767 ΔE 0.023
- Lipstick #D5174E ΔE 0.038
- Cerise #DE0C62 ΔE 0.045
- Dark Hot Pink #D90166 ΔE 0.046
- Dark Rose #B5485D ΔE 0.047
- Ruby #CA0147 ΔE 0.051
- Faded Red #D3494E ΔE 0.052
Use #CB3863 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.