#6C277D
Closest named color: Rebecca Purple (#663399). oklch(41.3% 0.149 319.1), rgb(108, 39, 125).
Aa
White text reads best on this color (9.44:1).
About this color
#6C277D is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.149 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.051 away. White text reads best on it, at 9.44:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #6C277D |
| RGB | rgb(108, 39, 125) |
| HSL | hsl(288, 52%, 32%) |
| OKLCH | oklch(41.3% 0.149 319.1) |
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 #6C277D | 9.44:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #6C277D | 2.22:1 | Fails | Lc 12.9 | Not readable |
| #6C277D text on white | 9.44:1 | AAA | Lc 91.1 | Preferred for body text |
| #6C277D text on black | 2.22:1 | Fails | Lc -11.2 | Not readable |
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 800.
-
Step 50
50
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E7CFEE
oklch(88.4% 0.049 318.5)
-
Step 300
300
#D9AFE5
oklch(80.9% 0.087 318.6)
-
Step 400
400
#C682D7
oklch(70.7% 0.14 319.4)
-
Step 500
500
#B660CC
oklch(63.1% 0.177 319.1)
-
Step 600
600
#A142B9
oklch(55.5% 0.193 319)
-
Step 700
700
#8A339F
oklch(49.1% 0.179 319.2)
-
Step 800
800 (this color)
#6C277D
oklch(41.3% 0.149 319.1)
-
Step 900
900
#5B2968
oklch(37.8% 0.116 318.9)
-
Step 950
950
#35193D
oklch(27% 0.073 318.3)
#6C277D 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) | #074180 | 0.148 |
| Deuteranopia (no green cones) | #2D487B | 0.126 |
| Tritanopia (no blue cones) | #6C364E | 0.093 |
| Achromatopsia (no color) | #464646 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C277D
#6C277D
oklch(41.3% 0.149 319.1)
- #1C5B00
#1C5B00
oklch(41.4% 0.131 139.2)
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 #6C277D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.051
- Purple #800080 ΔE 0.053
- Dark Magenta #8B008B ΔE 0.071
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.081
- Grape Purple #5D1451 ΔE 0.085
- Warm Purple #952E8F ΔE 0.090
Use #6C277D 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.