#586383
Closest named color: Slate (#516572). oklch(50.3% 0.053 269.7), rgb(88, 99, 131).
Aa
White text reads best on this color (5.95:1).
About this color
#586383 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.053 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.032 away. White text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #586383 |
| RGB | rgb(88, 99, 131) |
| HSL | hsl(225, 20%, 43%) |
| OKLCH | oklch(50.3% 0.053 269.7) |
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 #586383 | 5.95:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #586383 | 3.52:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #586383 text on white | 5.95:1 | AA | Lc 79.8 | Fine for body text |
| #586383 text on black | 3.52:1 | AA large text | Lc -22.1 | 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
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#BAC0D2
oklch(80.9% 0.026 271.1)
-
Step 400
400
#96A0BB
oklch(70.7% 0.041 269.3)
-
Step 500
500
#7D88AA
oklch(63% 0.053 270.8)
-
Step 600
600
#667295
oklch(55.6% 0.057 269.8)
-
Step 700
700 (this color)
#586383
oklch(50.3% 0.053 269.7)
-
Step 800
800
#454E68
oklch(42.7% 0.045 269.6)
-
Step 900
900
#3A4154
oklch(37.7% 0.034 269)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#586383 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) | #596684 | 0.009 |
| Deuteranopia (no green cones) | #556282 | 0.006 |
| Tritanopia (no blue cones) | #4C696E | 0.047 |
| Achromatopsia (no color) | #646464 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586383
#586383
oklch(50.3% 0.053 269.7)
- #706340
#706340
oklch(50.3% 0.054 89.9)
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 #586383, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.032
- Denim #3B638C ΔE 0.038
- Dusty Grape #545775 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.046
- YInMn Blue #415A77 ΔE 0.046
- Dusk #4E5481 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.055
Use #586383 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.