#5F237C
Closest named color: Rebecca Purple (#663399). oklch(38.9% 0.148 312.5), rgb(95, 35, 124).
Aa
White text reads best on this color (10.40:1).
About this color
#5F237C is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.148 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.058 away. White text reads best on it, at 10.40:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #5F237C |
| RGB | rgb(95, 35, 124) |
| HSL | hsl(280, 56%, 31%) |
| OKLCH | oklch(38.9% 0.148 312.5) |
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 #5F237C | 10.40:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #5F237C | 2.01:1 | Fails | Lc 10.5 | Not readable |
| #5F237C text on white | 10.40:1 | AAA | Lc 93.4 | Preferred for body text |
| #5F237C text on black | 2.01:1 | Fails | Lc -9.1 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4FA
oklch(93.6% 0.032 311.7)
-
Step 200
200
#E7CEF7
oklch(88.5% 0.061 312.2)
-
Step 300
300
#D9ACF4
oklch(80.9% 0.11 312.4)
-
Step 400
400
#C67BEF
oklch(70.7% 0.178 312.5)
-
Step 500
500
#B751E9
oklch(63% 0.228 312.6)
-
Step 600
600
#A32AD7
oklch(55.6% 0.247 312.7)
-
Step 700
700
#8B18BB
oklch(49.1% 0.23 312.3)
-
Step 800
800
#711A97
oklch(42.7% 0.19 312.4)
-
Step 900
900 (this color)
#5F237C
oklch(38.9% 0.148 312.5)
-
Step 950
950
#361446
oklch(27% 0.094 313.2)
#5F237C 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) | #003D7F | 0.133 |
| Deuteranopia (no green cones) | #1A417A | 0.122 |
| Tritanopia (no blue cones) | #5C364D | 0.099 |
| Achromatopsia (no color) | #404040 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F237C
#5F237C
oklch(38.9% 0.148 312.5)
- #2D5000
#2D5000
oklch(38.9% 0.109 132.3)
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 #5F237C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.058
- Indigo #4B0082 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.071
- Royal Purple #4B006E ΔE 0.072
- Purple #800080 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.076
- Rich Purple #720058 ΔE 0.080
- Blueberry #464196 ΔE 0.086
Use #5F237C 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.