#5A2F9A
Closest named color: Rebecca Purple (#663399). oklch(42.2% 0.165 297.2), rgb(90, 47, 154).
Aa
White text reads best on this color (9.09:1).
About this color
#5A2F9A is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.165 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.026 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #5A2F9A |
| RGB | rgb(90, 47, 154) |
| HSL | hsl(264, 53%, 39%) |
| OKLCH | oklch(42.2% 0.165 297.2) |
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 #5A2F9A | 9.09:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #5A2F9A | 2.30:1 | Fails | Lc 13.7 | Not readable |
| #5A2F9A text on white | 9.09:1 | AAA | Lc 90.3 | Preferred for body text |
| #5A2F9A text on black | 2.30:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE6FB
oklch(93.5% 0.029 296.7)
-
Step 200
200
#DCD2F9
oklch(88.4% 0.054 297)
-
Step 300
300
#C7B4F8
oklch(81% 0.096 297)
-
Step 400
400
#AC89F4
oklch(70.7% 0.155 297.4)
-
Step 500
500
#9967EF
oklch(63% 0.197 297.4)
-
Step 600
600
#8549DE
oklch(55.6% 0.215 297.4)
-
Step 700
700
#7139C1
oklch(49.2% 0.2 297.3)
-
Step 800
800 (this color)
#5A2F9A
oklch(42.2% 0.165 297.2)
-
Step 900
900
#4B2D7C
oklch(37.8% 0.128 297.4)
-
Step 950
950
#2B1B48
oklch(26.9% 0.081 297)
#5A2F9A 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) | #00499D | 0.109 |
| Deuteranopia (no green cones) | #004798 | 0.109 |
| Tritanopia (no blue cones) | #4A4961 | 0.126 |
| Achromatopsia (no color) | #484848 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2F9A
#5A2F9A
oklch(42.2% 0.165 297.2)
- #4A5400
#4A5400
oklch(42.2% 0.098 117.4)
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 #5A2F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.066
- Grape #7209B7 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
- Bluey Purple #6241C7 ΔE 0.082
Use #5A2F9A 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.