#57487E
Closest named color: Twilight (#4E518B). oklch(44.2% 0.088 295.4), rgb(87, 72, 126).
Aa
White text reads best on this color (7.97:1).
About this color
#57487E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.088 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 7.97:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #57487E |
| RGB | rgb(87, 72, 126) |
| HSL | hsl(257, 27%, 39%) |
| OKLCH | oklch(44.2% 0.088 295.4) |
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 #57487E | 7.97:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #57487E | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #57487E text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #57487E text on black | 2.63:1 | Fails | Lc -14.6 | 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
#F6F5FA
oklch(97.2% 0.007 295.5)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EA
oklch(88.5% 0.028 295)
-
Step 300
300
#C3BBDF
oklch(81% 0.051 295.4)
-
Step 400
400
#A497CF
oklch(70.8% 0.082 294.9)
-
Step 500
500
#8E7CC2
oklch(63.1% 0.105 295)
-
Step 600
600
#7964AE
oklch(55.6% 0.114 295.5)
-
Step 700
700
#665396
oklch(49.2% 0.106 295.3)
-
Step 800
800 (this color)
#57487E
oklch(44.2% 0.088 295.4)
-
Step 900
900
#453A62
oklch(37.8% 0.068 295.6)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#57487E 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) | #385180 | 0.049 |
| Deuteranopia (no green cones) | #3B507D | 0.046 |
| Tritanopia (no blue cones) | #4F525D | 0.071 |
| Achromatopsia (no color) | #515151 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57487E
#57487E
oklch(44.2% 0.088 295.4)
- #515816
#515816
oklch(44% 0.088 115.3)
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 #57487E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Dusk #4E5481 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.049
- Dusty Grape #545775 ΔE 0.050
- Blueberry #464196 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.068
Use #57487E 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.