#CB3579
Closest named color: Dark Pink (#CB416B). oklch(57.5% 0.194 357.7), rgb(203, 53, 121).
Aa
White text reads best on this color (4.85:1).
About this color
#CB3579 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.194 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.033 away. White text reads best on it, at 4.85:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #CB3579 |
| RGB | rgb(203, 53, 121) |
| HSL | hsl(333, 59%, 50%) |
| OKLCH | oklch(57.5% 0.194 357.7) |
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 #CB3579 | 4.85:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #CB3579 | 4.32:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #CB3579 text on white | 4.85:1 | AA | Lc 72.4 | Content text, not long reading |
| #CB3579 text on black | 4.32:1 | AA large text | Lc -29.3 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F5CCD9
oklch(88.4% 0.049 357.1)
-
Step 300
300
#F0A9C1
oklch(80.9% 0.088 357.3)
-
Step 400
400
#E479A1
oklch(70.7% 0.139 357.5)
-
Step 500
500
#D95189
oklch(63.1% 0.178 358)
-
Step 600
600 (this color)
#CB3579
oklch(57.5% 0.194 357.7)
-
Step 700
700
#A91E61
oklch(49.1% 0.18 357.6)
-
Step 800
800
#891D4F
oklch(42.7% 0.149 357.7)
-
Step 900
900
#6F1F42
oklch(37.8% 0.117 357.5)
-
Step 950
950
#411426
oklch(27% 0.073 358.3)
#CB3579 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) | #545F7B | 0.218 |
| Deuteranopia (no green cones) | #7D7C76 | 0.196 |
| Tritanopia (no blue cones) | #DC2053 | 0.061 |
| Achromatopsia (no color) | #717171 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB3579
#CB3579
oklch(57.5% 0.194 357.7)
- #008D79
#008D79
oklch(57.6% 0.106 178)
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 #CB3579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.033
- Dark Hot Pink #D90166 ΔE 0.044
- Deep Rose #C74767 ΔE 0.045
- Medium Violet Red #C71585 ΔE 0.046
- Cerise #DE0C62 ΔE 0.050
- Lipstick #D5174E ΔE 0.062
- Dark Rose #B5485D ΔE 0.069
- Ruby #CA0147 ΔE 0.072
Use #CB3579 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.