#5D2981
Closest named color: Rebecca Purple (#663399). oklch(39.8% 0.145 308.3), rgb(93, 41, 129).
Aa
White text reads best on this color (10.00:1).
About this color
#5D2981 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.145 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.047 away. White text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #5D2981 |
| RGB | rgb(93, 41, 129) |
| HSL | hsl(275, 52%, 33%) |
| OKLCH | oklch(39.8% 0.145 308.3) |
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 #5D2981 | 10.00:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #5D2981 | 2.09:1 | Fails | Lc 11.3 | Not readable |
| #5D2981 text on white | 10.00:1 | AAA | Lc 92.6 | Preferred for body text |
| #5D2981 text on black | 2.09:1 | Fails | Lc -9.8 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5FA
oklch(93.7% 0.03 309.1)
-
Step 200
200
#E4CFF8
oklch(88.5% 0.06 308.2)
-
Step 300
300
#D4AEF7
oklch(81% 0.108 307.9)
-
Step 400
400
#BF7FF2
oklch(70.8% 0.173 308.3)
-
Step 500
500
#AF57ED
oklch(63.1% 0.221 308.3)
-
Step 600
600
#9B33DC
oklch(55.6% 0.241 308.2)
-
Step 700
700
#8522BF
oklch(49.2% 0.225 308.4)
-
Step 800
800
#6C209A
oklch(42.7% 0.186 308.6)
-
Step 900
900 (this color)
#5D2981
oklch(39.8% 0.145 308.3)
-
Step 950
950
#331648
oklch(27% 0.092 308.1)
#5D2981 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) | #004084 | 0.123 |
| Deuteranopia (no green cones) | #18437F | 0.114 |
| Tritanopia (no blue cones) | #583C51 | 0.102 |
| Achromatopsia (no color) | #424242 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D2981
#5D2981
oklch(39.8% 0.145 308.3)
- #365100
#365100
oklch(39.8% 0.105 128.3)
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 #5D2981, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.058
- Indigo #4B0082 ΔE 0.071
- Blueberry #464196 ΔE 0.072
- Purple #800080 ΔE 0.079
- Royal Purple #4B006E ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.083
- Grape Purple #5D1451 ΔE 0.087
Use #5D2981 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.