#57477E
Closest named color: Twilight (#4E518B). oklch(44% 0.09 295.9), rgb(87, 71, 126).
Aa
White text reads best on this color (8.05:1).
About this color
#57477E is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.090 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #57477E |
| RGB | rgb(87, 71, 126) |
| HSL | hsl(257, 28%, 39%) |
| OKLCH | oklch(44% 0.09 295.9) |
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 #57477E | 8.05:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #57477E | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #57477E text on white | 8.05:1 | AAA | Lc 87.8 | Fine for body text |
| #57477E text on black | 2.60:1 | Fails | Lc -14.3 | 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
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C3BADF
oklch(80.8% 0.052 296.4)
-
Step 400
400
#A596CF
oklch(70.7% 0.083 296.3)
-
Step 500
500
#8F7BC3
oklch(63% 0.108 295.9)
-
Step 600
600
#7A63AF
oklch(55.5% 0.117 296.3)
-
Step 700
700
#675297
oklch(49.1% 0.109 296.2)
-
Step 800
800 (this color)
#57477E
oklch(44% 0.09 295.9)
-
Step 900
900
#453962
oklch(37.6% 0.07 296.4)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#57477E 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) | #375080 | 0.051 |
| Deuteranopia (no green cones) | #3A4F7D | 0.047 |
| Tritanopia (no blue cones) | #4F515C | 0.073 |
| Achromatopsia (no color) | #505050 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57477E
#57477E
oklch(44% 0.09 295.9)
- #505814
#505814
oklch(43.9% 0.089 116.1)
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 #57477E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.047
- Dusty Grape #545775 ΔE 0.052
- Blueberry #464196 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.066
- Dusk Blue #26538D ΔE 0.070
Use #57477E 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.