#C42B5B
Closest named color: Ruby (#CA0147). oklch(54.6% 0.189 8.1), rgb(196, 43, 91).
Aa
White text reads best on this color (5.46:1).
About this color
#C42B5B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.189 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.033 away. White text reads best on it, at 5.46:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.189) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #C42B5B |
| RGB | rgb(196, 43, 91) |
| HSL | hsl(341, 64%, 47%) |
| OKLCH | oklch(54.6% 0.189 8.1) |
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 #C42B5B | 5.46:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #C42B5B | 3.84:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #C42B5B text on white | 5.46:1 | AA | Lc 75.8 | Fine for body text |
| #C42B5B text on black | 3.84:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F6CDD3
oklch(88.5% 0.047 8.2)
-
Step 300
300
#F1AAB6
oklch(80.9% 0.085 8)
-
Step 400
400
#E77A90
oklch(70.8% 0.136 8.3)
-
Step 500
500
#DC5275
oklch(63.1% 0.174 8.1)
-
Step 600
600 (this color)
#C42B5B
oklch(54.6% 0.189 8.1)
-
Step 700
700
#AC1F4D
oklch(49.1% 0.176 8.2)
-
Step 800
800
#8C1D3F
oklch(42.7% 0.147 8.3)
-
Step 900
900
#702036
oklch(37.7% 0.113 7.9)
-
Step 950
950
#421420
oklch(27% 0.072 7.3)
#C42B5B 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) | #54565C | 0.212 |
| Deuteranopia (no green cones) | #7B7457 | 0.193 |
| Tritanopia (no blue cones) | #D60040 | 0.048 |
| Achromatopsia (no color) | #696969 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C42B5B
#C42B5B
oklch(54.6% 0.189 8.1)
- #00827B
#00827B
oklch(54.7% 0.095 188.2)
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 #C42B5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.033
- Lipstick #D5174E ΔE 0.036
- Dark Pink #CB416B ΔE 0.039
- Deep Rose #C74767 ΔE 0.043
- Dark Hot Pink #D90166 ΔE 0.047
- Rose Red #BE013C ΔE 0.048
- Dark Rose #B5485D ΔE 0.048
- Cherry #CF0234 ΔE 0.052
Use #C42B5B 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.