#575F83
Closest named color: Dusty Grape (#545775). oklch(49.3% 0.059 274.4), rgb(87, 95, 131).
Aa
White text reads best on this color (6.23:1).
About this color
#575F83 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.059 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.029 away. White text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #575F83 |
| RGB | rgb(87, 95, 131) |
| HSL | hsl(229, 20%, 43%) |
| OKLCH | oklch(49.3% 0.059 274.4) |
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 #575F83 | 6.23:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #575F83 | 3.36:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #575F83 text on white | 6.23:1 | AA | Lc 81.0 | Fine for body text |
| #575F83 text on black | 3.36:1 | AA large text | Lc -20.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D9E4
oklch(88.6% 0.015 273.8)
-
Step 300
300
#BBC0D3
oklch(81% 0.027 274)
-
Step 400
400
#989FBE
oklch(70.7% 0.046 275.2)
-
Step 500
500
#7E87AD
oklch(63% 0.058 274.3)
-
Step 600
600
#687199
oklch(55.7% 0.063 274.4)
-
Step 700
700 (this color)
#575F83
oklch(49.3% 0.059 274.4)
-
Step 800
800
#474D6A
oklch(42.7% 0.049 275.1)
-
Step 900
900
#3B4056
oklch(37.6% 0.038 274.5)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#575F83 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) | #546285 | 0.009 |
| Deuteranopia (no green cones) | #515F82 | 0.009 |
| Tritanopia (no blue cones) | #4B666C | 0.052 |
| Achromatopsia (no color) | #616161 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575F83
#575F83
oklch(49.3% 0.059 274.4)
- #6C613A
#6C613A
oklch(49.3% 0.058 94.2)
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 #575F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.034
- Dusk #4E5481 ΔE 0.036
- Denim #3B638C ΔE 0.036
- Slate #516572 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.047
- Twilight #4E518B ΔE 0.049
Use #575F83 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.