#57589F
Closest named color: Dusky Blue (#475F94). oklch(49.4% 0.112 280.9), rgb(87, 88, 159).
Aa
White text reads best on this color (6.36:1).
About this color
#57589F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.112 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.036 away. White text reads best on it, at 6.36:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #57589F |
| RGB | rgb(87, 88, 159) |
| HSL | hsl(239, 29%, 48%) |
| OKLCH | oklch(49.4% 0.112 280.9) |
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 #57589F | 6.36:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #57589F | 3.30:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #57589F text on white | 6.36:1 | AA | Lc 81.5 | Fine for body text |
| #57589F text on black | 3.30:1 | AA large text | Lc -20.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#969BD6
oklch(70.8% 0.086 280.2)
-
Step 500
500
#7E81CB
oklch(63.2% 0.111 281)
-
Step 600
600
#6869B8
oklch(55.6% 0.121 281.2)
-
Step 700
700 (this color)
#57589F
oklch(49.4% 0.112 280.9)
-
Step 800
800
#464880
oklch(42.7% 0.092 280.2)
-
Step 900
900
#3B3C67
oklch(37.6% 0.073 281.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#57589F 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) | #3D62A2 | 0.040 |
| Deuteranopia (no green cones) | #385D9D | 0.041 |
| Tritanopia (no blue cones) | #3F6774 | 0.097 |
| Achromatopsia (no color) | #5F5F5F | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57589F
#57589F
oklch(49.4% 0.112 280.9)
- #6F6200
#6F6200
oklch(49.3% 0.103 100.3)
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 #57589F, closest first.
No curated palette has a color within ΔE 0.04 of #57589F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.036
- Twilight #4E518B ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.044
- Dusk #4E5481 ΔE 0.051
- French Blue #436BAD ΔE 0.055
- Denim #3B638C ΔE 0.059
- Iris #6258C4 ΔE 0.061
- Light Navy Blue #2E5A88 ΔE 0.066
Use #57589F 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.