#6C257F
Closest named color: Rebecca Purple (#663399). oklch(41.2% 0.154 318.4), rgb(108, 37, 127).
Aa
White text reads best on this color (9.50:1).
About this color
#6C257F is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.154 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 9.50:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #6C257F |
| RGB | rgb(108, 37, 127) |
| HSL | hsl(287, 55%, 32%) |
| OKLCH | oklch(41.2% 0.154 318.4) |
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 #6C257F | 9.50:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #6C257F | 2.20:1 | Fails | Lc 12.7 | Not readable |
| #6C257F text on white | 9.50:1 | AAA | Lc 91.2 | Preferred for body text |
| #6C257F text on black | 2.20:1 | Fails | Lc -11.1 | 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
#E8CFEF
oklch(88.5% 0.051 318.8)
-
Step 300
300
#DAAEE6
oklch(80.8% 0.091 318.9)
-
Step 400
400
#C682DA
oklch(70.8% 0.143 318.3)
-
Step 500
500
#B65ECF
oklch(63% 0.183 318.3)
-
Step 600
600
#A240BC
oklch(55.6% 0.199 318.5)
-
Step 700
700
#8A30A2
oklch(49% 0.186 318.3)
-
Step 800
800 (this color)
#6C257F
oklch(41.2% 0.154 318.4)
-
Step 900
900
#5B286A
oklch(37.8% 0.12 317.9)
-
Step 950
950
#35183E
oklch(26.9% 0.076 317.6)
#6C257F 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 | 0.152 |
| Deuteranopia (no green cones) | #29487D | 0.131 |
| Tritanopia (no blue cones) | #6C364F | 0.097 |
| Achromatopsia (no color) | #464646 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C257F
#6C257F
oklch(41.2% 0.154 318.4)
- #1F5A00
#1F5A00
oklch(41.2% 0.129 138.5)
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 #6C257F, 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 0.050
- Dark Magenta #8B008B ΔE 0.069
- Rich Purple #720058 ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.082
- Velvet #750851 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.086
- Warm Purple #952E8F ΔE 0.090
Use #6C257F 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.