#C637A4
Closest named color: Purpley Pink (#C83CB9). oklch(58.6% 0.211 339.2), rgb(198, 55, 164).
Aa
White text reads best on this color (4.68:1).
About this color
#C637A4 is a medium-dark, vivid pink. In OKLCH its lightness is 59%, its chroma 0.211 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Purpley Pink (#C83CB9), ΔE 0.032 away. White text reads best on it, at 4.68:1.
| Hue family | Pinks |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Purpley Pink (#C83CB9) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #C637A4 |
| RGB | rgb(198, 55, 164) |
| HSL | hsl(314, 57%, 50%) |
| OKLCH | oklch(58.6% 0.211 339.2) |
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 #C637A4 | 4.68:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #C637A4 | 4.48:1 | AA large text | Lc 32.7 | Non-text elements, placeholder text |
| #C637A4 text on white | 4.68:1 | AA | Lc 71.3 | Content text, not long reading |
| #C637A4 text on black | 4.48:1 | AA large text | Lc -30.3 | Non-text elements, placeholder text |
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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3F0
oklch(93.6% 0.028 338.6)
-
Step 200
200
#F2CCE5
oklch(88.5% 0.054 338.8)
-
Step 300
300
#EAA9D5
oklch(80.9% 0.095 339)
-
Step 400
400
#DD78BF
oklch(70.7% 0.151 339.4)
-
Step 500
500
#D04FAF
oklch(63% 0.194 339.1)
-
Step 600
600 (this color)
#C637A4
oklch(58.6% 0.211 339.2)
-
Step 700
700
#A11B84
oklch(49.1% 0.196 339.1)
-
Step 800
800
#831B6B
oklch(42.7% 0.162 339.3)
-
Step 900
900
#6A1E57
oklch(37.7% 0.127 339.4)
-
Step 950
950
#3E1333
oklch(26.9% 0.08 338.9)
#C637A4 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) | #3F66A7 | 0.231 |
| Deuteranopia (no green cones) | #6E7CA1 | 0.199 |
| Tritanopia (no blue cones) | #D13D69 | 0.099 |
| Achromatopsia (no color) | #747474 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C637A4
#C637A4
oklch(58.6% 0.211 339.2)
- #00945E
#00945E
oklch(58.8% 0.135 158.9)
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 #C637A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Pink #C83CB9 ΔE 0.032
- Pinky Purple #C94CBE ΔE 0.047
- Medium Violet Red #C71585 ΔE 0.053
- Medium Orchid #BA55D3 ΔE 0.082
- Purply #983FB2 ΔE 0.092
- Purple Pink #D725DE ΔE 0.095
- Dark Pink #CB416B ΔE 0.096
- Pale Magenta #D767AD ΔE 0.097
Use #C637A4 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.