#575F97
Closest named color: Dusky Blue (#475F94). oklch(50.4% 0.09 276.5), rgb(87, 95, 151).
Aa
White text reads best on this color (6.01:1).
About this color
#575F97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.090 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.022 away. White text reads best on it, at 6.01:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.48:1 |
| White text | 6.01:1 |
Values
| HEX | #575F97 |
| RGB | rgb(87, 95, 151) |
| HSL | hsl(233, 27%, 47%) |
| OKLCH | oklch(50.4% 0.09 276.5) |
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 #575F97 | 6.01:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #575F97 | 3.48:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #575F97 text on white | 6.01:1 | AA | Lc 80.0 | Fine for body text |
| #575F97 text on black | 3.48:1 | AA large text | Lc -21.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B9BFDD
oklch(81% 0.043 276.5)
-
Step 400
400
#959DCC
oklch(70.7% 0.069 277)
-
Step 500
500
#7B85BF
oklch(63.2% 0.088 276.1)
-
Step 600
600
#656EAB
oklch(55.7% 0.095 276.5)
-
Step 700
700 (this color)
#575F97
oklch(50.4% 0.09 276.5)
-
Step 800
800
#444B77
oklch(42.7% 0.073 275.9)
-
Step 900
900
#393F60
oklch(37.7% 0.057 275.4)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#575F97 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) | #4C6699 | 0.023 |
| Deuteranopia (no green cones) | #476196 | 0.022 |
| Tritanopia (no blue cones) | #436A74 | 0.078 |
| Achromatopsia (no color) | #636363 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575F97
#575F97
oklch(50.4% 0.09 276.5)
- #73641E
#73641E
oklch(50.4% 0.09 96.8)
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 #575F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.042
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- French Blue #436BAD ΔE 0.046
- Muted Blue #3B719F ΔE 0.055
- Dusty Grape #545775 ΔE 0.056
Use #575F97 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.