#576489
Closest named color: Dusky Blue (#475F94). oklch(50.7% 0.061 269.2), rgb(87, 100, 137).
Aa
White text reads best on this color (5.85:1).
About this color
#576489 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.061 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.034 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #576489 |
| RGB | rgb(87, 100, 137) |
| HSL | hsl(224, 22%, 44%) |
| OKLCH | oklch(50.7% 0.061 269.2) |
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 #576489 | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #576489 | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #576489 text on white | 5.85:1 | AA | Lc 79.2 | Fine for body text |
| #576489 text on black | 3.58:1 | AA large text | Lc -22.6 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E4
oklch(88.5% 0.016 270)
-
Step 300
300
#B9C0D4
oklch(80.9% 0.029 270.3)
-
Step 400
400
#94A0BF
oklch(70.7% 0.047 268.5)
-
Step 500
500
#7A88AF
oklch(63% 0.061 269.3)
-
Step 600
600
#64729B
oklch(55.7% 0.066 269.6)
-
Step 700
700 (this color)
#576489
oklch(50.7% 0.061 269.2)
-
Step 800
800
#444E6B
oklch(42.7% 0.05 269.5)
-
Step 900
900
#394157
oklch(37.7% 0.039 269)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#576489 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) | #58678B | 0.009 |
| Deuteranopia (no green cones) | #546388 | 0.006 |
| Tritanopia (no blue cones) | #486B71 | 0.054 |
| Achromatopsia (no color) | #656565 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #576489
#576489
oklch(50.7% 0.061 269.2)
- #73643B
#73643B
oklch(50.8% 0.061 90)
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 #576489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.034
- Denim #3B638C ΔE 0.035
- Slate #516572 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Dusk #4E5481 ΔE 0.049
- Muted Blue #3B719F ΔE 0.050
- YInMn Blue #415A77 ΔE 0.051
Use #576489 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.