#6B357C
Closest named color: Rebecca Purple (#663399). oklch(43% 0.126 317.5), rgb(107, 53, 124).
Aa
White text reads best on this color (8.65:1).
About this color
#6B357C is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.126 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 0.050 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #6B357C |
| RGB | rgb(107, 53, 124) |
| HSL | hsl(286, 40%, 35%) |
| OKLCH | oklch(43% 0.126 317.5) |
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 #6B357C | 8.65:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #6B357C | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #6B357C text on white | 8.65:1 | AAA | Lc 89.3 | Fine for body text |
| #6B357C text on black | 2.42:1 | Fails | Lc -12.9 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EB
oklch(88.5% 0.041 318.4)
-
Step 300
300
#D5B2E0
oklch(80.9% 0.074 318)
-
Step 400
400
#BF89D1
oklch(70.8% 0.118 317.5)
-
Step 500
500
#AE69C4
oklch(63.1% 0.15 317.6)
-
Step 600
600
#994EB1
oklch(55.6% 0.164 317.3)
-
Step 700
700
#833E98
oklch(49.1% 0.153 317.7)
-
Step 800
800 (this color)
#6B357C
oklch(43% 0.126 317.5)
-
Step 900
900
#562E63
oklch(37.6% 0.098 317.4)
-
Step 950
950
#331C3A
oklch(27.1% 0.062 318)
#6B357C 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) | #25487E | 0.116 |
| Deuteranopia (no green cones) | #374D7A | 0.102 |
| Tritanopia (no blue cones) | #6B4053 | 0.081 |
| Achromatopsia (no color) | #4B4B4B | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B357C
#6B357C
oklch(43% 0.126 317.5)
- #285F09
#285F09
oklch(43.1% 0.126 137.6)
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 #6B357C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.070
- Light Eggplant #894585 ΔE 0.074
- Purple #800080 ΔE 0.074
- Blueberry #464196 ΔE 0.081
- Twilight #4E518B ΔE 0.083
- Dark Magenta #8B008B ΔE 0.087
- Warm Purple #952E8F ΔE 0.088
Use #6B357C 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.