#586E77
Closest named color: Slate (#516572). oklch(52.4% 0.03 224.7), rgb(88, 110, 119).
Aa
White text reads best on this color (5.36:1).
About this color
#586E77 is a medium-dark close to neutral grey. In OKLCH its lightness is 52%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.029 away. White text reads best on it, at 5.36:1.
| Hue family | Neutrals |
| Lightness | medium-dark (52%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #586E77 |
| RGB | rgb(88, 110, 119) |
| HSL | hsl(197, 15%, 41%) |
| OKLCH | oklch(52.4% 0.03 224.7) |
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 #586E77 | 5.36:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #586E77 | 3.91:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #586E77 text on white | 5.36:1 | AA | Lc 76.7 | Fine for body text |
| #586E77 text on black | 3.91:1 | AA large text | Lc -25.0 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C3C7
oklch(81% 0.013 221.5)
-
Step 400
400
#93A4AB
oklch(70.8% 0.022 224.4)
-
Step 500
500
#788D96
oklch(63% 0.028 225.6)
-
Step 600
600 (this color)
#586E77
oklch(52.4% 0.03 224.7)
-
Step 700
700
#50646D
oklch(49% 0.028 227)
-
Step 800
800
#425258
oklch(42.7% 0.022 222.6)
-
Step 900
900
#384449
oklch(37.8% 0.018 225)
-
Step 950
950
#21282B
oklch(27.1% 0.011 225.5)
#586E77 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) | #696D78 | 0.024 |
| Deuteranopia (no green cones) | #646977 | 0.021 |
| Tritanopia (no blue cones) | #4F7171 | 0.019 |
| Achromatopsia (no color) | #6B6B6B | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586E77
#586E77
oklch(52.4% 0.03 224.7)
- #79655C
#79655C
oklch(52.3% 0.029 45.6)
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 #586E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.029
- Dim Gray #696969 ΔE 0.030
- Metallic Blue #4F738E ΔE 0.035
- Battleship Gray #6C757D ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.052
- Grey Blue #647D8E ΔE 0.054
- Dull Blue #49759C ΔE 0.057
- Stormy Blue #507B9C ΔE 0.059
Use #586E77 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.