#6C397C
Closest named color: Rebecca Purple (#663399). oklch(43.7% 0.119 317.6), rgb(108, 57, 124).
Aa
White text reads best on this color (8.35:1).
About this color
#6C397C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.119 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 0.053 away. White text reads best on it, at 8.35:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #6C397C |
| RGB | rgb(108, 57, 124) |
| HSL | hsl(286, 37%, 35%) |
| OKLCH | oklch(43.7% 0.119 317.6) |
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 #6C397C | 8.35:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #6C397C | 2.51:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #6C397C text on white | 8.35:1 | AAA | Lc 88.5 | Fine for body text |
| #6C397C text on black | 2.51:1 | Fails | Lc -13.7 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E4D2EA
oklch(88.6% 0.038 317.7)
-
Step 300
300
#D4B3DF
oklch(80.9% 0.071 317.6)
-
Step 400
400
#BD8ACE
oklch(70.7% 0.111 317.5)
-
Step 500
500
#AC6BC1
oklch(63% 0.142 317.5)
-
Step 600
600
#9751AD
oklch(55.5% 0.154 317.6)
-
Step 700
700
#814195
oklch(49.1% 0.144 317.5)
-
Step 800
800 (this color)
#6C397C
oklch(43.7% 0.119 317.6)
-
Step 900
900
#553061
oklch(37.7% 0.092 317.4)
-
Step 950
950
#321C39
oklch(26.9% 0.06 317.7)
#6C397C 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) | #2B4A7E | 0.108 |
| Deuteranopia (no green cones) | #3B4F7A | 0.096 |
| Tritanopia (no blue cones) | #6C4355 | 0.077 |
| Achromatopsia (no color) | #4E4E4E | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C397C
#6C397C
oklch(43.7% 0.119 317.6)
- #2D6014
#2D6014
oklch(43.7% 0.119 137.5)
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 #6C397C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.053
- Light Eggplant #894585 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.070
- Twilight #4E518B ΔE 0.077
- Blueberry #464196 ΔE 0.080
- Purple #800080 ΔE 0.081
- Dusk #4E5481 ΔE 0.083
- Warm Purple #952E8F ΔE 0.086
Use #6C397C 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.