#575D86
Closest named color: Dusky Blue (#475F94). oklch(49% 0.066 277.3), rgb(87, 93, 134).
Aa
White text reads best on this color (6.33:1).
About this color
#575D86 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.066 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.029 away. White text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #575D86 |
| RGB | rgb(87, 93, 134) |
| HSL | hsl(232, 21%, 43%) |
| OKLCH | oklch(49% 0.066 277.3) |
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 #575D86 | 6.33:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #575D86 | 3.31:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #575D86 text on white | 6.33:1 | AA | Lc 81.5 | Fine for body text |
| #575D86 text on black | 3.31:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BBBFD6
oklch(80.9% 0.033 277.8)
-
Step 400
400
#989EC1
oklch(70.7% 0.052 277.4)
-
Step 500
500
#7F86B1
oklch(63% 0.065 277.2)
-
Step 600
600
#69709D
oklch(55.7% 0.07 277)
-
Step 700
700 (this color)
#575D86
oklch(49% 0.066 277.3)
-
Step 800
800
#474C6D
oklch(42.6% 0.055 277.2)
-
Step 900
900
#3C4058
oklch(37.8% 0.041 276.9)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#575D86 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) | #506188 | 0.014 |
| Deuteranopia (no green cones) | #4D5E85 | 0.014 |
| Tritanopia (no blue cones) | #4A656C | 0.058 |
| Achromatopsia (no color) | #606060 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575D86
#575D86
oklch(49% 0.066 277.3)
- #6B6133
#6B6133
oklch(49.1% 0.066 97.4)
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 #575D86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.029
- Dusty Grape #545775 ΔE 0.030
- Dusk #4E5481 ΔE 0.031
- Denim #3B638C ΔE 0.037
- YInMn Blue #415A77 ΔE 0.041
- Twilight #4E518B ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.042
- Slate #516572 ΔE 0.047
Use #575D86 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.