#6B3874
Closest named color: Rebecca Purple (#663399). oklch(43% 0.112 321.4), rgb(107, 56, 116).
Aa
White text reads best on this color (8.59:1).
About this color
#6B3874 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.112 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.065 away. White text reads best on it, at 8.59:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #6B3874 |
| RGB | rgb(107, 56, 116) |
| HSL | hsl(291, 35%, 34%) |
| OKLCH | oklch(43% 0.112 321.4) |
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 #6B3874 | 8.59:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #6B3874 | 2.44:1 | Fails | Lc 14.8 | Not readable |
| #6B3874 text on white | 8.59:1 | AAA | Lc 89.2 | Fine for body text |
| #6B3874 text on black | 2.44:1 | Fails | Lc -13.0 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D2E8
oklch(88.6% 0.036 321.6)
-
Step 300
300
#D5B3DA
oklch(80.9% 0.065 322)
-
Step 400
400
#BF8BC8
oklch(70.8% 0.104 321.4)
-
Step 500
500
#AE6CBA
oklch(63.1% 0.134 321.3)
-
Step 600
600
#9952A6
oklch(55.6% 0.146 321.2)
-
Step 700
700
#83428E
oklch(49.1% 0.136 321.7)
-
Step 800
800 (this color)
#6B3874
oklch(43% 0.112 321.4)
-
Step 900
900
#56305D
oklch(37.6% 0.087 321.2)
-
Step 950
950
#331D36
oklch(27.1% 0.054 322.6)
#6B3874 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) | #2F4876 | 0.103 |
| Deuteranopia (no green cones) | #3E4E72 | 0.093 |
| Tritanopia (no blue cones) | #6C4050 | 0.070 |
| Achromatopsia (no color) | #4C4C4C | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3874
#6B3874
oklch(43% 0.112 321.4)
- #265E1F
#265E1F
oklch(42.9% 0.112 141.5)
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 #6B3874, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.065
- Light Eggplant #894585 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.075
- Brownish Purple #76424E ΔE 0.080
- Twilight #4E518B ΔE 0.081
- Dusk #4E5481 ΔE 0.084
- Purple #800080 ΔE 0.084
- Blueberry #464196 ΔE 0.087
Use #6B3874 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.