#57379A
Closest named color: Rebecca Purple (#663399). oklch(43% 0.154 293.8), rgb(87, 55, 154).
Aa
White text reads best on this color (8.68:1).
About this color
#57379A is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.154 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 0.029 away. White text reads best on it, at 8.68:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #57379A |
| RGB | rgb(87, 55, 154) |
| HSL | hsl(259, 47%, 41%) |
| OKLCH | oklch(43% 0.154 293.8) |
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 #57379A | 8.68:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #57379A | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #57379A text on white | 8.68:1 | AAA | Lc 89.3 | Fine for body text |
| #57379A text on black | 2.41:1 | Fails | Lc -12.9 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F8
oklch(88.4% 0.051 294)
-
Step 300
300
#C3B6F6
oklch(80.9% 0.09 293.6)
-
Step 400
400
#A68DF1
oklch(70.7% 0.144 293.9)
-
Step 500
500
#926DEC
oklch(63.1% 0.184 293.9)
-
Step 600
600
#7D51DA
oklch(55.6% 0.199 293.7)
-
Step 700
700
#6A40BD
oklch(49% 0.186 293.9)
-
Step 800
800 (this color)
#57379A
oklch(43% 0.154 293.8)
-
Step 900
900
#47307A
oklch(37.7% 0.121 294.2)
-
Step 950
950
#291D47
oklch(26.9% 0.076 293.9)
#57379A 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) | #004C9D | 0.097 |
| Deuteranopia (no green cones) | #004A98 | 0.097 |
| Tritanopia (no blue cones) | #454E63 | 0.122 |
| Achromatopsia (no color) | #4B4B4B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57379A
#57379A
oklch(43% 0.154 293.8)
- #505500
#505500
oklch(43% 0.096 113.6)
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 #57379A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Blueberry #464196 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.038
- Chrysanthemum #560BAD ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Twilight #4E518B ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.076
- Bluey Purple #6241C7 ΔE 0.077
Use #57379A 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.