#5A318A
Closest named color: Rebecca Purple (#663399). oklch(41.2% 0.143 301.6), rgb(90, 49, 138).
Aa
White text reads best on this color (9.37:1).
About this color
#5A318A is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.143 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 9.37:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #5A318A |
| RGB | rgb(90, 49, 138) |
| HSL | hsl(268, 48%, 37%) |
| OKLCH | oklch(41.2% 0.143 301.6) |
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 #5A318A | 9.37:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #5A318A | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #5A318A text on white | 9.37:1 | AAA | Lc 91.2 | Preferred for body text |
| #5A318A text on black | 2.24:1 | Fails | Lc -11.2 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#CAB4EE
oklch(80.8% 0.084 301.9)
-
Step 400
400
#B08BE6
oklch(70.7% 0.134 301.8)
-
Step 500
500
#9D6BDE
oklch(63% 0.171 301.8)
-
Step 600
600
#8850CC
oklch(55.6% 0.186 301.4)
-
Step 700
700
#7440B0
oklch(49.1% 0.172 301.7)
-
Step 800
800 (this color)
#5A318A
oklch(41.2% 0.143 301.6)
-
Step 900
900
#4D3072
oklch(37.8% 0.111 301.6)
-
Step 950
950
#2D1D43
oklch(27.1% 0.07 301.3)
#5A318A 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) | #00468D | 0.110 |
| Deuteranopia (no green cones) | #124688 | 0.104 |
| Tritanopia (no blue cones) | #504459 | 0.106 |
| Achromatopsia (no color) | #464646 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A318A
#5A318A
oklch(41.2% 0.143 301.6)
- #435300
#435300
oklch(41.4% 0.1 121.6)
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 #5A318A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.051
- Chrysanthemum #560BAD ΔE 0.076
- Twilight #4E518B ΔE 0.081
- Indigo #4B0082 ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.083
- Purple #800080 ΔE 0.093
Use #5A318A 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.