#59237B
Closest named color: Indigo (#4B0082). oklch(38% 0.145 309.2), rgb(89, 35, 123).
Aa
White text reads best on this color (10.76:1).
About this color
#59237B is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.145 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.058 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #59237B |
| RGB | rgb(89, 35, 123) |
| HSL | hsl(277, 56%, 31%) |
| OKLCH | oklch(38% 0.145 309.2) |
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 #59237B | 10.76:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #59237B | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #59237B text on white | 10.76:1 | AAA | Lc 94.3 | Preferred for body text |
| #59237B text on black | 1.95:1 | Fails | Lc -8.3 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5FA
oklch(93.7% 0.03 309.1)
-
Step 200
200
#E5CFF8
oklch(88.5% 0.06 309.2)
-
Step 300
300
#D5ADF6
oklch(80.8% 0.109 309.1)
-
Step 400
400
#C07EF1
oklch(70.6% 0.173 309.1)
-
Step 500
500
#B156EC
oklch(63.1% 0.222 309.3)
-
Step 600
600
#9D31DB
oklch(55.6% 0.243 309.3)
-
Step 700
700
#8621BE
oklch(49.2% 0.225 309.1)
-
Step 800
800
#6D1F99
oklch(42.7% 0.186 309.5)
-
Step 900
900 (this color)
#59237B
oklch(38% 0.145 309.2)
-
Step 950
950
#341647
oklch(27.1% 0.091 309.9)
#59237B 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) | #003B7E | 0.123 |
| Deuteranopia (no green cones) | #123E79 | 0.117 |
| Tritanopia (no blue cones) | #54364C | 0.100 |
| Achromatopsia (no color) | #3E3E3E | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59237B
#59237B
oklch(38% 0.145 309.2)
- #314C00
#314C00
oklch(38% 0.101 129.1)
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 #59237B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.058
- Royal Purple #4B006E ΔE 0.063
- Rebecca Purple #663399 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.067
- Grape Purple #5D1451 ΔE 0.075
- Blueberry #464196 ΔE 0.083
- Purple #800080 ΔE 0.084
- Rich Purple #720058 ΔE 0.086
Use #59237B 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.