#575F72
Closest named color: Slate (#516572). oklch(48.6% 0.032 267.2), rgb(87, 95, 114).
Aa
White text reads best on this color (6.39:1).
About this color
#575F72 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.032 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.019 away. White text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #575F72 |
| RGB | rgb(87, 95, 114) |
| HSL | hsl(222, 13%, 39%) |
| OKLCH | oklch(48.6% 0.032 267.2) |
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 #575F72 | 6.39:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #575F72 | 3.28:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #575F72 text on white | 6.39:1 | AA | Lc 81.8 | Fine for body text |
| #575F72 text on black | 3.28:1 | AA large text | Lc -20.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BCC1CB
oklch(81% 0.015 264.5)
-
Step 400
400
#9AA0B1
oklch(70.6% 0.026 270.2)
-
Step 500
500
#81899D
oklch(63% 0.031 268.2)
-
Step 600
600
#6A7388
oklch(55.6% 0.034 266.9)
-
Step 700
700 (this color)
#575F72
oklch(48.6% 0.032 267.2)
-
Step 800
800
#484F5E
oklch(42.7% 0.027 265.5)
-
Step 900
900
#3D414D
oklch(37.6% 0.021 270.8)
-
Step 950
950
#23262D
oklch(26.9% 0.014 267)
#575F72 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) | #596073 | 0.005 |
| Deuteranopia (no green cones) | #575E72 | 0.003 |
| Tritanopia (no blue cones) | #506365 | 0.030 |
| Achromatopsia (no color) | #5F5F5F | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575F72
#575F72
oklch(48.6% 0.032 267.2)
- #675E4B
#675E4B
oklch(48.5% 0.031 85.6)
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 #575F72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.019
- Dusty Grape #545775 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.037
- Dim Gray #696969 ΔE 0.048
- Dusk #4E5481 ΔE 0.049
- Denim #3B638C ΔE 0.051
- Dusky Blue #475F94 ΔE 0.058
- Metallic Blue #4F738E ΔE 0.063
Use #575F72 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.