#CB2564
Closest named color: Dark Hot Pink (#D90166). oklch(55.7% 0.202 4.8), rgb(203, 37, 100).
Aa
White text reads best on this color (5.26:1).
About this color
#CB2564 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.202 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Hot Pink (#D90166), ΔE 0.030 away. White text reads best on it, at 5.26:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Dark Hot Pink (#D90166) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #CB2564 |
| RGB | rgb(203, 37, 100) |
| HSL | hsl(337, 69%, 47%) |
| OKLCH | oklch(55.7% 0.202 4.8) |
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 #CB2564 | 5.26:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #CB2564 | 3.98:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #CB2564 text on white | 5.26:1 | AA | Lc 74.5 | Content text, not long reading |
| #CB2564 text on black | 3.98:1 | AA large text | Lc -27.2 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F8CCD5
oklch(88.6% 0.051 4.4)
-
Step 300
300
#F4A8B9
oklch(80.9% 0.092 4.6)
-
Step 400
400
#EA7695
oklch(70.7% 0.146 4.6)
-
Step 500
500
#DF4C7B
oklch(63% 0.186 4.6)
-
Step 600
600 (this color)
#CB2564
oklch(55.7% 0.202 4.8)
-
Step 700
700
#AF1253
oklch(49.1% 0.188 4.7)
-
Step 800
800
#8E1644
oklch(42.7% 0.156 4.7)
-
Step 900
900
#721C39
oklch(37.7% 0.121 4.8)
-
Step 950
950
#431221
oklch(26.9% 0.077 5.1)
#CB2564 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) | #525765 | 0.228 |
| Deuteranopia (no green cones) | #7D7760 | 0.205 |
| Tritanopia (no blue cones) | #DD0042 | 0.055 |
| Achromatopsia (no color) | #6C6C6C | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB2564
#CB2564
oklch(55.7% 0.202 4.8)
- #00867B
#00867B
oklch(55.7% 0.098 184.8)
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 #CB2564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Hot Pink #D90166 ΔE 0.030
- Lipstick #D5174E ΔE 0.035
- Cerise #DE0C62 ΔE 0.037
- Dark Pink #CB416B ΔE 0.037
- Ruby #CA0147 ΔE 0.040
- Deep Rose #C74767 ΔE 0.047
- Medium Violet Red #C71585 ΔE 0.059
- Cherry #CF0234 ΔE 0.061
Use #CB2564 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.