#5A237A
Closest named color: Indigo (#4B0082). oklch(38.1% 0.144 310.3), rgb(90, 35, 122).
Aa
White text reads best on this color (10.73:1).
About this color
#5A237A is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.144 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.060 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #5A237A |
| RGB | rgb(90, 35, 122) |
| HSL | hsl(278, 55%, 31%) |
| OKLCH | oklch(38.1% 0.144 310.3) |
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 #5A237A | 10.73:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #5A237A | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #5A237A text on white | 10.73:1 | AAA | Lc 94.2 | Preferred for body text |
| #5A237A text on black | 1.95:1 | Fails | Lc -8.4 | 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
#F0E4FA
oklch(93.5% 0.032 309.9)
-
Step 200
200
#E6CFF7
oklch(88.6% 0.059 310.8)
-
Step 300
300
#D6ADF5
oklch(80.9% 0.108 310)
-
Step 400
400
#C27EF0
oklch(70.8% 0.173 310.2)
-
Step 500
500
#B256EA
oklch(63.1% 0.221 310.2)
-
Step 600
600
#9E31D8
oklch(55.6% 0.24 310.3)
-
Step 700
700
#8720BC
oklch(49.1% 0.224 310.1)
-
Step 800
800
#6E1F98
oklch(42.7% 0.186 310.3)
-
Step 900
900 (this color)
#5A237A
oklch(38.1% 0.144 310.3)
-
Step 950
950
#341547
oklch(26.9% 0.093 310.2)
#5A237A 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) | #003B7D | 0.125 |
| Deuteranopia (no green cones) | #153F78 | 0.117 |
| Tritanopia (no blue cones) | #56364B | 0.100 |
| Achromatopsia (no color) | #3E3E3E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A237A
#5A237A
oklch(38.1% 0.144 310.3)
- #2F4D00
#2F4D00
oklch(38.2% 0.103 130.5)
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 #5A237A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.060
- Royal Purple #4B006E ΔE 0.064
- Rebecca Purple #663399 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.068
- Grape Purple #5D1451 ΔE 0.073
- Purple #800080 ΔE 0.082
- Rich Purple #720058 ΔE 0.084
- Blueberry #464196 ΔE 0.084
Use #5A237A 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.