#5F6587
Closest named color: Slate (#516572). oklch(51.5% 0.054 276.6), rgb(95, 101, 135).
Aa
White text reads best on this color (5.67:1).
About this color
#5F6587 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.054 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.041 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #5F6587 |
| RGB | rgb(95, 101, 135) |
| HSL | hsl(231, 17%, 45%) |
| OKLCH | oklch(51.5% 0.054 276.6) |
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 #5F6587 | 5.67:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #5F6587 | 3.69:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #5F6587 text on white | 5.67:1 | AA | Lc 78.4 | Fine for body text |
| #5F6587 text on black | 3.69:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCC0D2
oklch(81% 0.026 275.8)
-
Step 400
400
#999FBB
oklch(70.7% 0.041 275.8)
-
Step 500
500
#8087AA
oklch(63% 0.053 275.9)
-
Step 600
600
#6A7196
oklch(55.7% 0.058 276)
-
Step 700
700 (this color)
#5F6587
oklch(51.5% 0.054 276.6)
-
Step 800
800
#484D68
oklch(42.7% 0.045 276.2)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#5F6587 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) | #5B6888 | 0.010 |
| Deuteranopia (no green cones) | #596586 | 0.009 |
| Tritanopia (no blue cones) | #556B71 | 0.047 |
| Achromatopsia (no color) | #676767 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F6587
#5F6587
oklch(51.5% 0.054 276.6)
- #706843
#706843
oklch(51.5% 0.055 97.5)
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 #5F6587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.042
- Dusky Blue #475F94 ΔE 0.046
- Denim #3B638C ΔE 0.048
- Dusty Grape #545775 ΔE 0.049
- Dull Blue #49759C ΔE 0.052
- Dim Gray #696969 ΔE 0.055
- Muted Blue #3B719F ΔE 0.056
Use #5F6587 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.