#6A397B
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.117 316.8), rgb(106, 57, 123).
Aa
White text reads best on this color (8.45:1).
About this color
#6A397B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.117 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.054 away. White text reads best on it, at 8.45:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #6A397B |
| RGB | rgb(106, 57, 123) |
| HSL | hsl(285, 37%, 35%) |
| OKLCH | oklch(43.4% 0.117 316.8) |
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 #6A397B | 8.45:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #6A397B | 2.48:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #6A397B text on white | 8.45:1 | AAA | Lc 88.8 | Fine for body text |
| #6A397B text on black | 2.48:1 | Fails | Lc -13.4 | 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
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E4D2EA
oklch(88.6% 0.038 317.7)
-
Step 300
300
#D3B3DE
oklch(80.8% 0.069 317.4)
-
Step 400
400
#BC8BCE
oklch(70.7% 0.109 316.7)
-
Step 500
500
#AB6CC1
oklch(63.1% 0.14 316.9)
-
Step 600
600
#9652AD
oklch(55.6% 0.152 317)
-
Step 700
700
#804295
oklch(49.1% 0.142 316.9)
-
Step 800
800 (this color)
#6A397B
oklch(43.4% 0.117 316.8)
-
Step 900
900
#553061
oklch(37.7% 0.092 317.4)
-
Step 950
950
#321D39
oklch(27.1% 0.057 317.3)
#6A397B 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) | #2B4A7D | 0.105 |
| Deuteranopia (no green cones) | #3A4F79 | 0.094 |
| Tritanopia (no blue cones) | #694354 | 0.077 |
| Achromatopsia (no color) | #4D4D4D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A397B
#6A397B
oklch(43.4% 0.117 316.8)
- #2F5F13
#2F5F13
oklch(43.5% 0.117 136.6)
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 #6A397B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.068
- Light Eggplant #894585 ΔE 0.070
- Twilight #4E518B ΔE 0.075
- Blueberry #464196 ΔE 0.078
- Dusk #4E5481 ΔE 0.081
- Purple #800080 ΔE 0.083
- Brownish Purple #76424E ΔE 0.089
Use #6A397B 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.