#CB137F
Closest named color: Medium Violet Red (#C71585). oklch(55.7% 0.222 352.9), rgb(203, 19, 127).
Aa
White text reads best on this color (5.33:1).
About this color
#CB137F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.222 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Medium Violet Red (#C71585), ΔE 0.013 away. White text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.222) |
| Temperature | warm |
| Nearest name | Medium Violet Red (#C71585) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #CB137F |
| RGB | rgb(203, 19, 127) |
| HSL | hsl(325, 83%, 44%) |
| OKLCH | oklch(55.7% 0.222 352.9) |
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 #CB137F | 5.33:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #CB137F | 3.93:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #CB137F text on white | 5.33:1 | AA | Lc 74.4 | Content text, not long reading |
| #CB137F text on black | 3.93:1 | AA large text | Lc -27.3 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EB
oklch(93.5% 0.029 352.9)
-
Step 200
200
#F8CBDC
oklch(88.6% 0.055 353.6)
-
Step 300
300
#F4A6C6
oklch(81% 0.1 353.3)
-
Step 400
400
#EA72A9
oklch(70.8% 0.159 353.2)
-
Step 500
500
#DF4494
oklch(63% 0.204 352.9)
-
Step 600
600 (this color)
#CB137F
oklch(55.7% 0.222 352.9)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800
#8E0857
oklch(42.7% 0.171 353)
-
Step 900
900
#721648
oklch(37.7% 0.134 352.6)
-
Step 950
950
#43102A
oklch(27% 0.084 352.8)
#CB137F 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) | #425781 | 0.253 |
| Deuteranopia (no green cones) | #75767B | 0.221 |
| Tritanopia (no blue cones) | #DB004C | 0.083 |
| Achromatopsia (no color) | #6B6B6B | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB137F
#CB137F
oklch(55.7% 0.222 352.9)
- #00886D
#00886D
oklch(55.8% 0.108 172.3)
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 #CB137F, closest first.
No curated palette has a color within ΔE 0.04 of #CB137F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Violet Red #C71585 ΔE 0.013
- Dark Hot Pink #D90166 ΔE 0.048
- Cerise #DE0C62 ΔE 0.061
- Dark Pink #CB416B ΔE 0.069
- Lipstick #D5174E ΔE 0.080
- Ruby #CA0147 ΔE 0.082
- Deep Rose #C74767 ΔE 0.082
- Purpley Pink #C83CB9 ΔE 0.091
Use #CB137F 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.