#586977
Closest named color: Slate (#516572). oklch(51.2% 0.03 243.2), rgb(88, 105, 119).
Aa
White text reads best on this color (5.67:1).
About this color
#586977 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.030 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.017 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #586977 |
| RGB | rgb(88, 105, 119) |
| HSL | hsl(207, 15%, 41%) |
| OKLCH | oklch(51.2% 0.03 243.2) |
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 #586977 | 5.67:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #586977 | 3.70:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #586977 text on white | 5.67:1 | AA | Lc 78.4 | Fine for body text |
| #586977 text on black | 3.70:1 | AA large text | Lc -23.4 | 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 700.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2CA
oklch(80.9% 0.015 244.8)
-
Step 400
400
#95A3AE
oklch(70.8% 0.023 241.5)
-
Step 500
500
#7A8C9B
oklch(63.1% 0.031 243.4)
-
Step 600
600
#637685
oklch(55.6% 0.032 242)
-
Step 700
700 (this color)
#586977
oklch(51.2% 0.03 243.2)
-
Step 800
800
#43515C
oklch(42.7% 0.025 241.9)
-
Step 900
900
#39434B
oklch(37.7% 0.019 242.3)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#586977 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) | #636978 | 0.016 |
| Deuteranopia (no green cones) | #5F6577 | 0.015 |
| Tritanopia (no blue cones) | #4F6C6D | 0.025 |
| Achromatopsia (no color) | #676767 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #586977
#586977
oklch(51.2% 0.03 243.2)
- #746355
#746355
oklch(51.2% 0.031 61.5)
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 #586977, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.017
- Dim Gray #696969 ΔE 0.032
- Metallic Blue #4F738E ΔE 0.040
- Battleship Gray #6C757D ΔE 0.048
- Dusty Grape #545775 ΔE 0.055
- Denim #3B638C ΔE 0.055
- YInMn Blue #415A77 ΔE 0.059
- Dull Blue #49759C ΔE 0.060
Use #586977 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.