#57477A
Closest named color: Twilight (#4E518B). oklch(43.7% 0.084 297.3), rgb(87, 71, 122).
Aa
White text reads best on this color (8.11:1).
About this color
#57477A is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.084 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #57477A |
| RGB | rgb(87, 71, 122) |
| HSL | hsl(259, 26%, 38%) |
| OKLCH | oklch(43.7% 0.084 297.3) |
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 #57477A | 8.11:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #57477A | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #57477A text on white | 8.11:1 | AAA | Lc 88.0 | Fine for body text |
| #57477A text on black | 2.58:1 | Fails | Lc -14.1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD6E9
oklch(88.6% 0.026 297.9)
-
Step 300
300
#C4BBDD
oklch(81% 0.048 297.4)
-
Step 400
400
#A697CC
oklch(70.8% 0.078 297.4)
-
Step 500
500
#907CBF
oklch(63.1% 0.101 297.2)
-
Step 600
600
#7B64AB
oklch(55.6% 0.11 297.6)
-
Step 700
700
#675393
oklch(49.1% 0.102 296.9)
-
Step 800
800 (this color)
#57477A
oklch(43.7% 0.084 297.3)
-
Step 900
900
#453A60
oklch(37.7% 0.065 296.5)
-
Step 950
950
#292238
oklch(27% 0.041 298.2)
#57477A 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) | #39507C | 0.049 |
| Deuteranopia (no green cones) | #3C4F79 | 0.045 |
| Tritanopia (no blue cones) | #50505A | 0.068 |
| Achromatopsia (no color) | #505050 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57477A
#57477A
oklch(43.7% 0.084 297.3)
- #4E581B
#4E581B
oklch(43.8% 0.085 118)
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 #57477A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.037
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.069
- Light Navy Blue #2E5A88 ΔE 0.071
Use #57477A 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.