#6B4374
Closest named color: Dusk (#4E5481). oklch(44.9% 0.091 320.1), rgb(107, 67, 116).
Aa
White text reads best on this color (7.83:1).
About this color
#6B4374 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.063 away. White text reads best on it, at 7.83:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.68:1 |
| White text | 7.83:1 |
Values
| HEX | #6B4374 |
| RGB | rgb(107, 67, 116) |
| HSL | hsl(289, 27%, 36%) |
| OKLCH | oklch(44.9% 0.091 320.1) |
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 #6B4374 | 7.83:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #6B4374 | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #6B4374 text on white | 7.83:1 | AAA | Lc 87.0 | Fine for body text |
| #6B4374 text on black | 2.68:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D6
oklch(80.8% 0.053 319.9)
-
Step 400
400
#B98FC2
oklch(70.7% 0.086 320.3)
-
Step 500
500
#A773B2
oklch(63.1% 0.109 320.4)
-
Step 600
600
#925B9E
oklch(55.7% 0.118 320.3)
-
Step 700
700
#7C4A87
oklch(49.1% 0.11 320.2)
-
Step 800
800 (this color)
#6B4374
oklch(44.9% 0.091 320.1)
-
Step 900
900
#523459
oklch(37.6% 0.072 319.9)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#6B4374 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) | #3C4F76 | 0.080 |
| Deuteranopia (no green cones) | #475373 | 0.072 |
| Tritanopia (no blue cones) | #6C4956 | 0.057 |
| Achromatopsia (no color) | #525252 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4374
#6B4374
oklch(44.9% 0.091 320.1)
- #38612F
#38612F
oklch(44.9% 0.09 140)
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 #6B4374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.063
- Light Eggplant #894585 ΔE 0.063
- Twilight #4E518B ΔE 0.065
- Dusty Grape #545775 ΔE 0.065
- Brownish Purple #76424E ΔE 0.066
- Dark Mauve #874C62 ΔE 0.071
- Dull Purple #84597E ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
Use #6B4374 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.