#575899
Closest named color: Dusky Blue (#475F94). oklch(49% 0.103 281.2), rgb(87, 88, 153).
Aa
White text reads best on this color (6.43:1).
About this color
#575899 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.103 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.030 away. White text reads best on it, at 6.43:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #575899 |
| RGB | rgb(87, 88, 153) |
| HSL | hsl(239, 27%, 47%) |
| OKLCH | oklch(49% 0.103 281.2) |
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 #575899 | 6.43:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #575899 | 3.26:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #575899 text on white | 6.43:1 | AA | Lc 81.9 | Fine for body text |
| #575899 text on black | 3.26:1 | AA large text | Lc -20.0 | 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
#D5D7EC
oklch(88.4% 0.029 281.5)
-
Step 300
300
#BABDE1
oklch(80.8% 0.051 281.4)
-
Step 400
400
#989BD2
oklch(70.7% 0.08 281.7)
-
Step 500
500
#7F82C6
oklch(63.2% 0.102 281.1)
-
Step 600
600
#696AB2
oklch(55.6% 0.111 281.6)
-
Step 700
700 (this color)
#575899
oklch(49% 0.103 281.2)
-
Step 800
800
#47487C
oklch(42.6% 0.085 281.3)
-
Step 900
900
#3C3D64
oklch(37.8% 0.066 281.6)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#575899 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) | #40619B | 0.036 |
| Deuteranopia (no green cones) | #3D5C97 | 0.035 |
| Tritanopia (no blue cones) | #426571 | 0.089 |
| Achromatopsia (no color) | #5E5E5E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575899
#575899
oklch(49% 0.103 281.2)
- #6D6100
#6D6100
oklch(48.9% 0.102 100.9)
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 #575899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.030
- Twilight #4E518B ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.040
- Dusk #4E5481 ΔE 0.042
- Denim #3B638C ΔE 0.053
- French Blue #436BAD ΔE 0.058
- Dusty Grape #545775 ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.060
Use #575899 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.