#5A2784
Closest named color: Rebecca Purple (#663399). oklch(39.3% 0.15 305.7), rgb(90, 39, 132).
Aa
White text reads best on this color (10.20:1).
About this color
#5A2784 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 10.20:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.05:1 |
| White text | 10.20:1 |
Values
| HEX | #5A2784 |
| RGB | rgb(90, 39, 132) |
| HSL | hsl(273, 54%, 34%) |
| OKLCH | oklch(39.3% 0.15 305.7) |
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 #5A2784 | 10.20:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #5A2784 | 2.05:1 | Fails | Lc 10.9 | Not readable |
| #5A2784 text on white | 10.20:1 | AAA | Lc 93.0 | Preferred for body text |
| #5A2784 text on black | 2.05:1 | Fails | Lc -9.4 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FC
oklch(93.7% 0.032 305.3)
-
Step 200
200
#E3CFFB
oklch(88.5% 0.063 305.7)
-
Step 300
300
#D2AEFB
oklch(80.9% 0.113 305.4)
-
Step 400
400
#BC7EF8
oklch(70.6% 0.18 305.8)
-
Step 500
500
#AC56F5
oklch(63.1% 0.23 305.6)
-
Step 600
600
#9830E3
oklch(55.6% 0.25 305.8)
-
Step 700
700
#821FC6
oklch(49.2% 0.233 305.6)
-
Step 800
800
#691EA0
oklch(42.6% 0.193 305.4)
-
Step 900
900 (this color)
#5A2784
oklch(39.3% 0.15 305.7)
-
Step 950
950
#32164A
oklch(27% 0.094 305.8)
#5A2784 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) | #004087 | 0.119 |
| Deuteranopia (no green cones) | #084182 | 0.118 |
| Tritanopia (no blue cones) | #533C52 | 0.108 |
| Achromatopsia (no color) | #414141 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2784
#5A2784
oklch(39.3% 0.15 305.7)
- #394F00
#394F00
oklch(39.5% 0.1 125.8)
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 #5A2784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.057
- Indigo #4B0082 ΔE 0.063
- Blueberry #464196 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.075
- Royal Purple #4B006E ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.081
- Purple #800080 ΔE 0.084
Use #5A2784 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.