#CB015A
Closest named color: Ruby (#CA0147). oklch(54.1% 0.216 6.6), rgb(203, 1, 90).
Aa
White text reads best on this color (5.68:1).
About this color
#CB015A is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.216 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.027 away. White text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.216) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #CB015A |
| RGB | rgb(203, 1, 90) |
| HSL | hsl(334, 99%, 40%) |
| OKLCH | oklch(54.1% 0.216 6.6) |
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 #CB015A | 5.68:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #CB015A | 3.69:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #CB015A text on white | 5.68:1 | AA | Lc 75.8 | Fine for body text |
| #CB015A text on black | 3.69:1 | AA large text | Lc -25.9 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FCE3E7
oklch(93.7% 0.028 6.7)
-
Step 200
200
#FACBD3
oklch(88.5% 0.054 6.8)
-
Step 300
300
#F7A6B6
oklch(80.8% 0.097 6.5)
-
Step 400
400
#EF7291
oklch(70.7% 0.156 6.3)
-
Step 500
500
#E54476
oklch(63% 0.199 6.3)
-
Step 600
600 (this color)
#CB015A
oklch(54.1% 0.216 6.6)
-
Step 700
700
#B2004E
oklch(49% 0.197 6.6)
-
Step 800
800
#920840
oklch(42.7% 0.166 6.5)
-
Step 900
900
#751636
oklch(37.6% 0.13 6.4)
-
Step 950
950
#451020
oklch(27% 0.082 6.2)
#CB015A 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) | #4B4F5B | 0.246 |
| Deuteranopia (no green cones) | #7A7356 | 0.221 |
| Tritanopia (no blue cones) | #DE0034 | 0.065 |
| Achromatopsia (no color) | #676767 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB015A
#CB015A
oklch(54.1% 0.216 6.6)
- #008078
#008078
oklch(54% 0.094 187.2)
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 #CB015A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.027
- Dark Hot Pink #D90166 ΔE 0.032
- Lipstick #D5174E ΔE 0.035
- Cerise #DE0C62 ΔE 0.041
- Rose Red #BE013C ΔE 0.048
- Cherry #CF0234 ΔE 0.052
- Dark Pink #CB416B ΔE 0.058
- Crimson #DC143C ΔE 0.060
Use #CB015A 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.