#5F379B
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.156 298.1), rgb(95, 55, 155).
Aa
White text reads best on this color (8.37:1).
About this color
#5F379B is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.156 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.015 away. White text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #5F379B |
| RGB | rgb(95, 55, 155) |
| HSL | hsl(264, 48%, 41%) |
| OKLCH | oklch(43.9% 0.156 298.1) |
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 #5F379B | 8.37:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #5F379B | 2.50:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #5F379B text on white | 8.37:1 | AAA | Lc 88.4 | Fine for body text |
| #5F379B text on black | 2.50:1 | Fails | Lc -13.8 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD3F7
oklch(88.6% 0.05 298.1)
-
Step 300
300
#C7B4F4
oklch(80.8% 0.091 298)
-
Step 400
400
#AC8BEF
oklch(70.8% 0.145 297.8)
-
Step 500
500
#996AE9
oklch(63.1% 0.185 298)
-
Step 600
600
#854DD7
oklch(55.6% 0.202 298.2)
-
Step 700
700
#713DBB
oklch(49.2% 0.188 298.1)
-
Step 800
800 (this color)
#5F379B
oklch(43.9% 0.156 298.1)
-
Step 900
900
#4B2E78
oklch(37.7% 0.122 298.4)
-
Step 950
950
#2C1C46
oklch(27% 0.076 298.8)
#5F379B 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) | #004E9E | 0.110 |
| Deuteranopia (no green cones) | #014D99 | 0.110 |
| Tritanopia (no blue cones) | #514D64 | 0.118 |
| Achromatopsia (no color) | #4E4E4E | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F379B
#5F379B
oklch(43.9% 0.156 298.1)
- #4E5900
#4E5900
oklch(43.9% 0.102 117.7)
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 #5F379B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.015
- Blueberry #464196 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Grape #7209B7 ΔE 0.075
- Twilight #4E518B ΔE 0.076
Use #5F379B 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.