#576B87
Closest named color: Metallic Blue (#4F738E). oklch(52.3% 0.051 256.8), rgb(87, 107, 135).
Aa
White text reads best on this color (5.44:1).
About this color
#576B87 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.051 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.024 away. White text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #576B87 |
| RGB | rgb(87, 107, 135) |
| HSL | hsl(215, 22%, 44%) |
| OKLCH | oklch(52.3% 0.051 256.8) |
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 #576B87 | 5.44:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #576B87 | 3.85:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #576B87 text on white | 5.44:1 | AA | Lc 77.1 | Fine for body text |
| #576B87 text on black | 3.85:1 | AA large text | Lc -24.6 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B7C2D1
oklch(81% 0.024 256.1)
-
Step 400
400
#91A2B9
oklch(70.7% 0.039 256)
-
Step 500
500
#768BA8
oklch(63.1% 0.05 256.5)
-
Step 600
600
#5F7593
oklch(55.6% 0.054 256.3)
-
Step 700
700 (this color)
#576B87
oklch(52.3% 0.051 256.8)
-
Step 800
800
#405066
oklch(42.7% 0.042 256.4)
-
Step 900
900
#374253
oklch(37.6% 0.033 259)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#576B87 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) | #616C88 | 0.015 |
| Deuteranopia (no green cones) | #5C6886 | 0.010 |
| Tritanopia (no blue cones) | #487174 | 0.045 |
| Achromatopsia (no color) | #6A6A6A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576B87
#576B87
oklch(52.3% 0.051 256.8)
- #7A6648
#7A6648
oklch(52.2% 0.051 77.4)
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 #576B87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.024
- Slate #516572 ΔE 0.036
- Dull Blue #49759C ΔE 0.039
- Muted Blue #3B719F ΔE 0.045
- Denim #3B638C ΔE 0.046
- Stormy Blue #507B9C ΔE 0.049
- Battleship Gray #6C757D ΔE 0.049
- Dim Gray #696969 ΔE 0.051
Use #576B87 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.