#4F567F
Closest named color: Dusk (#4E5481). oklch(46.5% 0.067 276), rgb(79, 86, 127).
Aa
White text reads best on this color (7.07:1).
About this color
#4F567F is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.067 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.008 away. White text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.97:1 |
| White text | 7.07:1 |
Values
| HEX | #4F567F |
| RGB | rgb(79, 86, 127) |
| HSL | hsl(231, 23%, 40%) |
| OKLCH | oklch(46.5% 0.067 276) |
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 #4F567F | 7.07:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #4F567F | 2.97:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #4F567F text on white | 7.07:1 | AAA | Lc 84.5 | Fine for body text |
| #4F567F text on black | 2.97:1 | Fails | Lc -17.5 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E5
oklch(88.4% 0.018 275.6)
-
Step 300
300
#BABFD6
oklch(80.8% 0.033 275.9)
-
Step 400
400
#979EC2
oklch(70.6% 0.053 276.3)
-
Step 500
500
#7E86B2
oklch(63% 0.067 276.3)
-
Step 600
600
#68709E
oklch(55.7% 0.072 276.2)
-
Step 700
700 (this color)
#4F567F
oklch(46.5% 0.067 276)
-
Step 800
800
#464C6E
oklch(42.6% 0.057 276)
-
Step 900
900
#3B4059
oklch(37.8% 0.043 275.4)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#4F567F 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) | #495A81 | 0.013 |
| Deuteranopia (no green cones) | #46577E | 0.013 |
| Tritanopia (no blue cones) | #415E65 | 0.059 |
| Achromatopsia (no color) | #585858 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F567F
#4F567F
oklch(46.5% 0.067 276)
- #64592A
#64592A
oklch(46.4% 0.067 96.4)
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 #4F567F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.008
- Dusty Grape #545775 ΔE 0.019
- Twilight #4E518B ΔE 0.027
- YInMn Blue #415A77 ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.041
- Denim #3B638C ΔE 0.043
Use #4F567F 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.