#59307E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.129 305.6), rgb(89, 48, 126).
Aa
White text reads best on this color (9.77:1).
About this color
#59307E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.129 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 9.77:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #59307E |
| RGB | rgb(89, 48, 126) |
| HSL | hsl(272, 45%, 34%) |
| OKLCH | oklch(40.1% 0.129 305.6) |
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 #59307E | 9.77:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #59307E | 2.14:1 | Fails | Lc 11.7 | Not readable |
| #59307E text on white | 9.77:1 | AAA | Lc 92.3 | Preferred for body text |
| #59307E text on black | 2.14:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E1D1F6
oklch(88.5% 0.053 304.9)
-
Step 300
300
#D0B1F3
oklch(81% 0.097 305.8)
-
Step 400
400
#B885ED
oklch(70.8% 0.155 305.4)
-
Step 500
500
#A761E7
oklch(63.1% 0.199 305.5)
-
Step 600
600
#9342D5
oklch(55.6% 0.216 305.7)
-
Step 700
700
#7D32B8
oklch(49.1% 0.2 305.7)
-
Step 800
800
#662C95
oklch(42.8% 0.165 305.8)
-
Step 900
900 (this color)
#59307E
oklch(40.1% 0.129 305.6)
-
Step 950
950
#301946
oklch(27% 0.083 305.1)
#59307E 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) | #0C4380 | 0.107 |
| Deuteranopia (no green cones) | #20447C | 0.095 |
| Tritanopia (no blue cones) | #533F52 | 0.093 |
| Achromatopsia (no color) | #444444 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59307E
#59307E
oklch(40.1% 0.129 305.6)
- #3B5100
#3B5100
oklch(40.2% 0.102 125.5)
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 #59307E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Rebecca Purple #663399 ΔE 0.051
- Blueberry #464196 ΔE 0.062
- Indigo #4B0082 ΔE 0.080
- Twilight #4E518B ΔE 0.085
- Royal Purple #4B006E ΔE 0.088
- Grape Purple #5D1451 ΔE 0.089
- Purple #800080 ΔE 0.092
Use #59307E 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.