#576B98
Closest named color: Dull Blue (#49759C). oklch(53.1% 0.075 265.5), rgb(87, 107, 152).
Aa
White text reads best on this color (5.30:1).
About this color
#576B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.075 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.030 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #576B98 |
| RGB | rgb(87, 107, 152) |
| HSL | hsl(222, 27%, 47%) |
| OKLCH | oklch(53.1% 0.075 265.5) |
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 #576B98 | 5.30:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #576B98 | 3.96:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #576B98 text on white | 5.30:1 | AA | Lc 76.3 | Fine for body text |
| #576B98 text on black | 3.96:1 | AA large text | Lc -25.4 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B6C1D7
oklch(80.9% 0.033 264.4)
-
Step 400
400
#90A1C3
oklch(70.8% 0.054 264.1)
-
Step 500
500
#7589B4
oklch(63.1% 0.069 265.1)
-
Step 600
600 (this color)
#576B98
oklch(53.1% 0.075 265.5)
-
Step 700
700
#4E6089
oklch(49.2% 0.07 265.7)
-
Step 800
800
#404E6F
oklch(42.6% 0.058 266.3)
-
Step 900
900
#36415A
oklch(37.7% 0.045 265.9)
-
Step 950
950
#202635
oklch(27% 0.029 267.5)
#576B98 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) | #5B6F9A | 0.013 |
| Deuteranopia (no green cones) | #556997 | 0.007 |
| Tritanopia (no blue cones) | #41747B | 0.066 |
| Achromatopsia (no color) | #6B6B6B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576B98
#576B98
oklch(53.1% 0.075 265.5)
- #806936
#806936
oklch(53.2% 0.075 85.5)
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 #576B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.030
- Muted Blue #3B719F ΔE 0.033
- Metallic Blue #4F738E ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.038
- French Blue #436BAD ΔE 0.040
- Dusky Blue #475F94 ΔE 0.043
- Stormy Blue #507B9C ΔE 0.045
- Cerulean #457B9D ΔE 0.047
Use #576B98 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.