#586777
Closest named color: Slate (#516572). oklch(50.7% 0.031 250.1), rgb(88, 103, 119).
Aa
White text reads best on this color (5.79:1).
About this color
#586777 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.031 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.014 away. White text reads best on it, at 5.79:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #586777 |
| RGB | rgb(88, 103, 119) |
| HSL | hsl(211, 15%, 41%) |
| OKLCH | oklch(50.7% 0.031 250.1) |
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 #586777 | 5.79:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #586777 | 3.62:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #586777 text on white | 5.79:1 | AA | Lc 79.0 | Fine for body text |
| #586777 text on black | 3.62:1 | AA large text | Lc -22.8 | 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
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5DADF
oklch(88.6% 0.009 247.9)
-
Step 300
300
#B9C2CA
oklch(80.9% 0.015 244.8)
-
Step 400
400
#96A2B0
oklch(70.7% 0.025 252.2)
-
Step 500
500
#7C8B9C
oklch(63.1% 0.031 251.6)
-
Step 600
600
#657587
oklch(55.6% 0.034 251.5)
-
Step 700
700 (this color)
#586777
oklch(50.7% 0.031 250.1)
-
Step 800
800
#44505D
oklch(42.6% 0.027 250.5)
-
Step 900
900
#3A434C
oklch(37.8% 0.019 248.3)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#586777 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) | #616778 | 0.013 |
| Deuteranopia (no green cones) | #5D6477 | 0.011 |
| Tritanopia (no blue cones) | #4F6B6C | 0.028 |
| Achromatopsia (no color) | #656565 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586777
#586777
oklch(50.7% 0.031 250.1)
- #716252
#716252
oklch(50.6% 0.031 68.8)
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 #586777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.014
- Dim Gray #696969 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.043
- Dusty Grape #545775 ΔE 0.049
- Denim #3B638C ΔE 0.052
- Battleship Gray #6C757D ΔE 0.053
- YInMn Blue #415A77 ΔE 0.054
- Dull Blue #49759C ΔE 0.062
Use #586777 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.