#5B306A
Closest named color: Grape Purple (#5D1451). oklch(39% 0.106 316.7), rgb(91, 48, 106).
Aa
White text reads best on this color (10.11:1).
About this color
#5B306A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.106 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.065 away. White text reads best on it, at 10.11:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #5B306A |
| RGB | rgb(91, 48, 106) |
| HSL | hsl(284, 38%, 30%) |
| OKLCH | oklch(39% 0.106 316.7) |
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 #5B306A | 10.11:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #5B306A | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #5B306A text on white | 10.11:1 | AAA | Lc 93.2 | Preferred for body text |
| #5B306A text on black | 2.07:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E5D1ED
oklch(88.5% 0.043 316.4)
-
Step 300
300
#D5B1E3
oklch(80.8% 0.079 316.4)
-
Step 400
400
#C087D5
oklch(70.8% 0.126 316.6)
-
Step 500
500
#B066CA
oklch(63.2% 0.162 316.7)
-
Step 600
600
#9B4AB6
oklch(55.6% 0.176 316.9)
-
Step 700
700
#843B9D
oklch(49.1% 0.163 316.5)
-
Step 800
800
#6B317F
oklch(42.6% 0.136 316.6)
-
Step 900
900 (this color)
#5B306A
oklch(39% 0.106 316.7)
-
Step 950
950
#331B3C
oklch(27% 0.066 316.2)
#5B306A 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) | #243F6C | 0.094 |
| Deuteranopia (no green cones) | #314368 | 0.085 |
| Tritanopia (no blue cones) | #5A3948 | 0.069 |
| Achromatopsia (no color) | #424242 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B306A
#5B306A
oklch(39% 0.106 316.7)
- #27510E
#27510E
oklch(39% 0.106 136.6)
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 #5B306A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.068
- Rebecca Purple #663399 ΔE 0.080
- Rich Purple #720058 ΔE 0.080
- Velvet #750851 ΔE 0.082
- Blueberry #464196 ΔE 0.087
- Purple Brown #673A3F ΔE 0.090
- Royal Purple #4B006E ΔE 0.092
Use #5B306A 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.