#5F397D
Closest named color: Dark Slate Blue (#483D8B). oklch(42.2% 0.115 308), rgb(95, 57, 125).
Aa
White text reads best on this color (8.86:1).
About this color
#5F397D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.115 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 8.86:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #5F397D |
| RGB | rgb(95, 57, 125) |
| HSL | hsl(274, 37%, 36%) |
| OKLCH | oklch(42.2% 0.115 308) |
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 #5F397D | 8.86:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #5F397D | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #5F397D text on white | 8.86:1 | AAA | Lc 90.0 | Preferred for body text |
| #5F397D text on black | 2.36:1 | Fails | Lc -12.2 | 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
#CDB6E3
oklch(81% 0.067 308)
-
Step 400
400
#B38ED4
oklch(70.7% 0.107 308)
-
Step 500
500
#A170C9
oklch(63.1% 0.138 308.3)
-
Step 600
600
#8C57B5
oklch(55.6% 0.149 308.3)
-
Step 700
700
#77479C
oklch(49.2% 0.138 308.2)
-
Step 800
800 (this color)
#5F397D
oklch(42.2% 0.115 308)
-
Step 900
900
#4F3366
oklch(37.8% 0.09 308)
-
Step 950
950
#2E1E3C
oklch(27% 0.058 307.5)
#5F397D 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) | #25487F | 0.092 |
| Deuteranopia (no green cones) | #314A7B | 0.082 |
| Tritanopia (no blue cones) | #5B4555 | 0.083 |
| Achromatopsia (no color) | #4A4A4A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F397D
#5F397D
oklch(42.2% 0.115 308)
- #3C5800
#3C5800
oklch(42.2% 0.11 127.8)
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 #5F397D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Rebecca Purple #663399 ΔE 0.050
- Blueberry #464196 ΔE 0.061
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.075
- Dusty Grape #545775 ΔE 0.088
- Light Eggplant #894585 ΔE 0.090
- Purple #800080 ΔE 0.095
Use #5F397D 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.