#576B84
Closest named color: Metallic Blue (#4F738E). oklch(52.1% 0.046 254.2), rgb(87, 107, 132).
Aa
White text reads best on this color (5.46:1).
About this color
#576B84 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.046 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.025 away. White text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #576B84 |
| RGB | rgb(87, 107, 132) |
| HSL | hsl(213, 21%, 43%) |
| OKLCH | oklch(52.1% 0.046 254.2) |
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 #576B84 | 5.46:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #576B84 | 3.84:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #576B84 text on white | 5.46:1 | AA | Lc 77.3 | Fine for body text |
| #576B84 text on black | 3.84:1 | AA large text | Lc -24.5 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B7C2CF
oklch(81% 0.022 252.5)
-
Step 400
400
#92A2B7
oklch(70.7% 0.036 255.3)
-
Step 500
500
#778BA5
oklch(63% 0.046 255.1)
-
Step 600
600
#5F7590
oklch(55.5% 0.05 253.8)
-
Step 700
700 (this color)
#576B84
oklch(52.1% 0.046 254.2)
-
Step 800
800
#415064
oklch(42.7% 0.038 255.7)
-
Step 900
900
#374351
oklch(37.8% 0.029 252.5)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#576B84 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) | #626C85 | 0.016 |
| Deuteranopia (no green cones) | #5D6783 | 0.013 |
| Tritanopia (no blue cones) | #497073 | 0.040 |
| Achromatopsia (no color) | #696969 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576B84
#576B84
oklch(52.1% 0.046 254.2)
- #7A664B
#7A664B
oklch(52.3% 0.047 74.8)
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 #576B84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.025
- Slate #516572 ΔE 0.032
- Dull Blue #49759C ΔE 0.042
- Dim Gray #696969 ΔE 0.046
- Denim #3B638C ΔE 0.047
- Battleship Gray #6C757D ΔE 0.047
- Muted Blue #3B719F ΔE 0.048
- Stormy Blue #507B9C ΔE 0.051
Use #576B84 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.