#57339E
Closest named color: Rebecca Purple (#663399). oklch(42.7% 0.164 293.7), rgb(87, 51, 158).
Aa
White text reads best on this color (8.85:1).
About this color
#57339E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.164 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 8.85:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #57339E |
| RGB | rgb(87, 51, 158) |
| HSL | hsl(260, 51%, 41%) |
| OKLCH | oklch(42.7% 0.164 293.7) |
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 #57339E | 8.85:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #57339E | 2.37:1 | Fails | Lc 14.3 | Not readable |
| #57339E text on white | 8.85:1 | AAA | Lc 89.7 | Fine for body text |
| #57339E text on black | 2.37:1 | Fails | Lc -12.5 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3FA
oklch(88.5% 0.054 293.5)
-
Step 300
300
#C3B5F9
oklch(80.9% 0.096 293.6)
-
Step 400
400
#A68BF6
oklch(70.6% 0.154 293.7)
-
Step 500
500
#936AF2
oklch(63.1% 0.196 294)
-
Step 600
600
#7E4CE1
oklch(55.5% 0.214 293.6)
-
Step 700
700
#6B3CC3
oklch(49.1% 0.198 293.8)
-
Step 800
800 (this color)
#57339E
oklch(42.7% 0.164 293.7)
-
Step 900
900
#472E7D
oklch(37.6% 0.128 293.9)
-
Step 950
950
#291C49
oklch(26.9% 0.08 293.6)
#57339E 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) | #004BA1 | 0.100 |
| Deuteranopia (no green cones) | #00489C | 0.099 |
| Tritanopia (no blue cones) | #434D64 | 0.130 |
| Achromatopsia (no color) | #4A4A4A | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57339E
#57339E
oklch(42.7% 0.164 293.7)
- #4F5400
#4F5400
oklch(42.7% 0.096 113.7)
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 #57339E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Blueberry #464196 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.046
- Chrysanthemum #560BAD ΔE 0.056
- Imperial Purple #480CA8 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Bluey Purple #6241C7 ΔE 0.075
- Blurple #5539CC ΔE 0.075
Use #57339E 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.