#57487D
Closest named color: Twilight (#4E518B). oklch(44.1% 0.086 295.7), rgb(87, 72, 125).
Aa
White text reads best on this color (7.98:1).
About this color
#57487D is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.032 away. White text reads best on it, at 7.98:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.62:1 |
| White text | 7.98:1 |
Values
| HEX | #57487D |
| RGB | rgb(87, 72, 125) |
| HSL | hsl(257, 27%, 39%) |
| OKLCH | oklch(44.1% 0.086 295.7) |
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 #57487D | 7.98:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #57487D | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #57487D text on white | 7.98:1 | AAA | Lc 87.6 | Fine for body text |
| #57487D text on black | 2.62:1 | Fails | Lc -14.5 | 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
#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
#C3BBDE
oklch(81% 0.049 295.7)
-
Step 400
400
#A497CE
oklch(70.7% 0.08 295.1)
-
Step 500
500
#8F7CC1
oklch(63.1% 0.103 296)
-
Step 600
600
#7964AD
oklch(55.5% 0.112 295.8)
-
Step 700
700
#665395
oklch(49.1% 0.104 295.6)
-
Step 800
800 (this color)
#57487D
oklch(44.1% 0.086 295.7)
-
Step 900
900
#453A61
oklch(37.8% 0.066 296)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#57487D 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) | #39517F | 0.048 |
| Deuteranopia (no green cones) | #3B507C | 0.046 |
| Tritanopia (no blue cones) | #4F515C | 0.069 |
| Achromatopsia (no color) | #515151 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57487D
#57487D
oklch(44.1% 0.086 295.7)
- #515818
#515818
oklch(44% 0.086 115.4)
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 #57487D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.032
- Dusk #4E5481 ΔE 0.035
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.057
- YInMn Blue #415A77 ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.069
Use #57487D 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.