#C51768
Closest named color: Dark Hot Pink (#D90166). oklch(54% 0.208 0.8), rgb(197, 23, 104).
Aa
White text reads best on this color (5.68:1).
About this color
#C51768 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.208 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Hot Pink (#D90166), ΔE 0.039 away. White text reads best on it, at 5.68:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Dark Hot Pink (#D90166) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #C51768 |
| RGB | rgb(197, 23, 104) |
| HSL | hsl(332, 79%, 43%) |
| OKLCH | oklch(54% 0.208 0.8) |
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 #C51768 | 5.68:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #C51768 | 3.69:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #C51768 text on white | 5.68:1 | AA | Lc 76.4 | Fine for body text |
| #C51768 text on black | 3.69:1 | AA large text | Lc -25.3 | 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
#FAE3E9
oklch(93.6% 0.026 359.9)
-
Step 200
200
#F8CCD7
oklch(88.6% 0.052 1.5)
-
Step 300
300
#F4A7BD
oklch(80.9% 0.094 0.8)
-
Step 400
400
#EA759B
oklch(70.7% 0.149 1.1)
-
Step 500
500
#E04A83
oklch(63.2% 0.191 0.9)
-
Step 600
600 (this color)
#C51768
oklch(54% 0.208 0.8)
-
Step 700
700
#AF0C5B
oklch(49.2% 0.193 0.7)
-
Step 800
800
#8E134A
oklch(42.7% 0.16 0.9)
-
Step 900
900
#721A3E
oklch(37.6% 0.125 0.5)
-
Step 950
950
#431224
oklch(27% 0.078 1.1)
#C51768 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) | #48526A | 0.237 |
| Deuteranopia (no green cones) | #767264 | 0.210 |
| Tritanopia (no blue cones) | #D60040 | 0.066 |
| Achromatopsia (no color) | #676767 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C51768
#C51768
oklch(54% 0.208 0.8)
- #008172
#008172
oklch(54.1% 0.098 180.9)
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 #C51768, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Hot Pink #D90166 ΔE 0.039
- Medium Violet Red #C71585 ΔE 0.046
- Ruby #CA0147 ΔE 0.048
- Cerise #DE0C62 ΔE 0.052
- Lipstick #D5174E ΔE 0.053
- Dark Pink #CB416B ΔE 0.056
- Rose Red #BE013C ΔE 0.062
- Raspberry #B00149 ΔE 0.063
Use #C51768 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.