#5E377B
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.115 308.7), rgb(94, 55, 123).
Aa
White text reads best on this color (9.09:1).
About this color
#5E377B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.115 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #5E377B |
| RGB | rgb(94, 55, 123) |
| HSL | hsl(274, 38%, 35%) |
| OKLCH | oklch(41.6% 0.115 308.7) |
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 #5E377B | 9.09:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #5E377B | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #5E377B text on white | 9.09:1 | AAA | Lc 90.6 | Preferred for body text |
| #5E377B text on black | 2.30:1 | Fails | Lc -11.7 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3ED
oklch(88.5% 0.038 308)
-
Step 300
300
#CDB5E2
oklch(80.8% 0.067 309)
-
Step 400
400
#B48ED4
oklch(70.8% 0.108 308.7)
-
Step 500
500
#A170C8
oklch(63% 0.137 308.6)
-
Step 600
600
#8D56B5
oklch(55.6% 0.151 309)
-
Step 700
700
#77469C
oklch(49.1% 0.14 308.4)
-
Step 800
800 (this color)
#5E377B
oklch(41.6% 0.115 308.7)
-
Step 900
900
#4F3366
oklch(37.8% 0.09 308)
-
Step 950
950
#2E1E3B
oklch(26.9% 0.056 308.5)
#5E377B 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) | #23477D | 0.094 |
| Deuteranopia (no green cones) | #2F4979 | 0.085 |
| Tritanopia (no blue cones) | #5A4353 | 0.083 |
| Achromatopsia (no color) | #484848 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E377B
#5E377B
oklch(41.6% 0.115 308.7)
- #395700
#395700
oklch(41.7% 0.111 129)
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 #5E377B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Rebecca Purple #663399 ΔE 0.053
- Blueberry #464196 ΔE 0.063
- Twilight #4E518B ΔE 0.071
- Dusk #4E5481 ΔE 0.079
- Dusty Grape #545775 ΔE 0.092
- Purple #800080 ΔE 0.093
- Grape Purple #5D1451 ΔE 0.094
Use #5E377B 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.