#576990
Closest named color: Metallic Blue (#4F738E). oklch(52.2% 0.066 265.1), rgb(87, 105, 144).
Aa
White text reads best on this color (5.48:1).
About this color
#576990 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.066 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.031 away. White text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #576990 |
| RGB | rgb(87, 105, 144) |
| HSL | hsl(221, 25%, 45%) |
| OKLCH | oklch(52.2% 0.066 265.1) |
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 #576990 | 5.48:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #576990 | 3.82:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #576990 text on white | 5.48:1 | AA | Lc 77.3 | Fine for body text |
| #576990 text on black | 3.82:1 | AA large text | Lc -24.4 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#91A1C1
oklch(70.8% 0.05 264.2)
-
Step 500
500
#7689B2
oklch(63.1% 0.066 265.2)
-
Step 600
600
#5F739D
oklch(55.6% 0.07 264.6)
-
Step 700
700 (this color)
#576990
oklch(52.2% 0.066 265.1)
-
Step 800
800
#404F6D
oklch(42.8% 0.054 263.8)
-
Step 900
900
#374158
oklch(37.6% 0.042 266.2)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#576990 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) | #5C6C92 | 0.012 |
| Deuteranopia (no green cones) | #56678F | 0.006 |
| Tritanopia (no blue cones) | #457177 | 0.058 |
| Achromatopsia (no color) | #696969 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576990
#576990
oklch(52.2% 0.066 265.1)
- #7B673C
#7B673C
oklch(52.3% 0.065 85.3)
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 #576990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.031
- Dull Blue #49759C ΔE 0.036
- Muted Blue #3B719F ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- Denim #3B638C ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.047
- Slate #516572 ΔE 0.049
- French Blue #436BAD ΔE 0.049
Use #576990 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.