#6B257F
Closest named color: Rebecca Purple (#663399). oklch(41.1% 0.153 317.8), rgb(107, 37, 127).
Aa
White text reads best on this color (9.56:1).
About this color
#6B257F is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.153 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #6B257F |
| RGB | rgb(107, 37, 127) |
| HSL | hsl(287, 55%, 32%) |
| OKLCH | oklch(41.1% 0.153 317.8) |
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 #6B257F | 9.56:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #6B257F | 2.19:1 | Fails | Lc 12.6 | Not readable |
| #6B257F text on white | 9.56:1 | AAA | Lc 91.4 | Preferred for body text |
| #6B257F text on black | 2.19:1 | Fails | Lc -11.0 | 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
#E7CFEF
oklch(88.4% 0.05 317.7)
-
Step 300
300
#D9AFE7
oklch(81% 0.089 317.6)
-
Step 400
400
#C582DA
oklch(70.7% 0.143 317.8)
-
Step 500
500
#B65FD0
oklch(63.2% 0.183 317.9)
-
Step 600
600
#A140BD
oklch(55.6% 0.2 317.8)
-
Step 700
700
#8A31A3
oklch(49.2% 0.185 317.9)
-
Step 800
800 (this color)
#6B257F
oklch(41.1% 0.153 317.8)
-
Step 900
900
#5B286A
oklch(37.8% 0.12 317.9)
-
Step 950
950
#35183E
oklch(26.9% 0.076 317.6)
#6B257F 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) | #004182 | 0.150 |
| Deuteranopia (no green cones) | #28477D | 0.130 |
| Tritanopia (no blue cones) | #6A364F | 0.097 |
| Achromatopsia (no color) | #454545 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B257F
#6B257F
oklch(41.1% 0.153 317.8)
- #215900
#215900
oklch(41% 0.126 137.9)
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 #6B257F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Purple #800080 ΔE 0.052
- Dark Magenta #8B008B ΔE 0.071
- Rich Purple #720058 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.081
- Velvet #750851 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.086
- Indigo #4B0082 ΔE 0.089
Use #6B257F 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.