#57477C
Closest named color: Twilight (#4E518B). oklch(43.8% 0.087 296.6), rgb(87, 71, 124).
Aa
White text reads best on this color (8.08:1).
About this color
#57477C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.035 away. White text reads best on it, at 8.08:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #57477C |
| RGB | rgb(87, 71, 124) |
| HSL | hsl(258, 27%, 38%) |
| OKLCH | oklch(43.8% 0.087 296.6) |
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 #57477C | 8.08:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #57477C | 2.59:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #57477C text on white | 8.08:1 | AAA | Lc 87.9 | Fine for body text |
| #57477C text on black | 2.59:1 | Fails | Lc -14.2 | 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
#C3BADE
oklch(80.8% 0.051 296.7)
-
Step 400
400
#A596CE
oklch(70.6% 0.082 296.5)
-
Step 500
500
#907CC1
oklch(63.2% 0.104 296.7)
-
Step 600
600
#7A64AD
oklch(55.6% 0.112 296.4)
-
Step 700
700
#675395
oklch(49.2% 0.104 296.3)
-
Step 800
800 (this color)
#57477C
oklch(43.8% 0.087 296.6)
-
Step 900
900
#453961
oklch(37.6% 0.068 296.8)
-
Step 950
950
#282239
oklch(27% 0.043 295.4)
#57477C 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) | #38507E | 0.050 |
| Deuteranopia (no green cones) | #3B4F7B | 0.046 |
| Tritanopia (no blue cones) | #4F505B | 0.070 |
| Achromatopsia (no color) | #505050 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57477C
#57477C
oklch(43.8% 0.087 296.6)
- #4F5818
#4F5818
oklch(43.9% 0.087 117)
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 #57477C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.035
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
- Blueberry #464196 ΔE 0.057
- YInMn Blue #415A77 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.067
- Dusk Blue #26538D ΔE 0.070
Use #57477C 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.