#5A2B87
Closest named color: Rebecca Purple (#663399). oklch(40.1% 0.148 303.9), rgb(90, 43, 135).
Aa
White text reads best on this color (9.85:1).
About this color
#5A2B87 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.148 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 9.85:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #5A2B87 |
| RGB | rgb(90, 43, 135) |
| HSL | hsl(271, 52%, 35%) |
| OKLCH | oklch(40.1% 0.148 303.9) |
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 #5A2B87 | 9.85:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #5A2B87 | 2.13:1 | Fails | Lc 11.6 | Not readable |
| #5A2B87 text on white | 9.85:1 | AAA | Lc 92.3 | Preferred for body text |
| #5A2B87 text on black | 2.13:1 | Fails | Lc -10.1 | 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
#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
#D0AFFB
oklch(80.9% 0.11 303.9)
-
Step 400
400
#B980F9
oklch(70.7% 0.178 304)
-
Step 500
500
#A859F6
oklch(63.1% 0.226 303.7)
-
Step 600
600
#9434E5
oklch(55.6% 0.247 303.6)
-
Step 700
700
#7F23C7
oklch(49.2% 0.23 303.9)
-
Step 800
800
#6721A1
oklch(42.7% 0.191 303.9)
-
Step 900
900 (this color)
#5A2B87
oklch(40.1% 0.148 303.9)
-
Step 950
950
#31174B
oklch(27.2% 0.093 303.8)
#5A2B87 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) | #00428A | 0.115 |
| Deuteranopia (no green cones) | #0A4385 | 0.113 |
| Tritanopia (no blue cones) | #513F55 | 0.107 |
| Achromatopsia (no color) | #434343 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2B87
#5A2B87
oklch(40.1% 0.148 303.9)
- #3D5000
#3D5000
oklch(40% 0.099 123.8)
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 #5A2B87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.062
- Indigo #4B0082 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.080
- Royal Purple #4B006E ΔE 0.084
- Purple #800080 ΔE 0.087
Use #5A2B87 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.