#53237E
Closest named color: Indigo (#4B0082). oklch(37.5% 0.147 304.3), rgb(83, 35, 126).
Aa
White text reads best on this color (10.99:1).
About this color
#53237E is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.147 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.049 away. White text reads best on it, at 10.99:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #53237E |
| RGB | rgb(83, 35, 126) |
| HSL | hsl(272, 57%, 32%) |
| OKLCH | oklch(37.5% 0.147 304.3) |
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 #53237E | 10.99:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #53237E | 1.90:1 | Fails | Lc 9.1 | Not readable |
| #53237E text on white | 10.99:1 | AAA | Lc 94.8 | Preferred for body text |
| #53237E text on black | 1.90:1 | Fails | Lc -7.8 | 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 900.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E2D0FB
oklch(88.6% 0.061 304.2)
-
Step 300
300
#D0AFFA
oklch(80.9% 0.109 304.2)
-
Step 400
400
#B980F8
oklch(70.6% 0.176 304.2)
-
Step 500
500
#A959F5
oklch(63.2% 0.226 304.2)
-
Step 600
600
#9535E3
oklch(55.6% 0.244 304.4)
-
Step 700
700
#7F24C5
oklch(49.1% 0.227 304.3)
-
Step 800
800
#6722A0
oklch(42.7% 0.189 304.1)
-
Step 900
900 (this color)
#53237E
oklch(37.5% 0.147 304.3)
-
Step 950
950
#31174A
oklch(27.1% 0.092 304.4)
#53237E 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) | #003B81 | 0.112 |
| Deuteranopia (no green cones) | #003C7C | 0.114 |
| Tritanopia (no blue cones) | #4B384E | 0.105 |
| Achromatopsia (no color) | #3C3C3C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53237E
#53237E
oklch(37.5% 0.147 304.3)
- #364900
#364900
oklch(37.5% 0.094 124.8)
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 #53237E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.049
- Royal Purple #4B006E ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
- Rebecca Purple #663399 ΔE 0.067
- Blueberry #464196 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.080
- Grape Purple #5D1451 ΔE 0.083
Use #53237E 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.