#4B586B
Closest named color: YInMn Blue (#415A77). oklch(45.7% 0.035 257.8), rgb(75, 88, 107).
Aa
White text reads best on this color (7.22:1).
About this color
#4B586B is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.035 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.022 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #4B586B |
| RGB | rgb(75, 88, 107) |
| HSL | hsl(216, 18%, 36%) |
| OKLCH | oklch(45.7% 0.035 257.8) |
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 #4B586B | 7.22:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #4B586B | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4B586B text on white | 7.22:1 | AAA | Lc 85.1 | Fine for body text |
| #4B586B text on black | 2.90:1 | Fails | Lc -16.9 | 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 800.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B9C1CE
oklch(80.9% 0.02 260.2)
-
Step 400
400
#94A2B6
oklch(70.8% 0.033 257.3)
-
Step 500
500
#7A8BA3
oklch(63.2% 0.041 257)
-
Step 600
600
#63748E
oklch(55.5% 0.045 258.8)
-
Step 700
700
#526279
oklch(49.2% 0.042 257.4)
-
Step 800
800 (this color)
#4B586B
oklch(45.7% 0.035 257.8)
-
Step 900
900
#394250
oklch(37.7% 0.027 259.2)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#4B586B 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) | #51596C | 0.010 |
| Deuteranopia (no green cones) | #4E566B | 0.007 |
| Tritanopia (no blue cones) | #425C5E | 0.031 |
| Achromatopsia (no color) | #575757 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B586B
#4B586B
oklch(45.7% 0.035 257.8)
- #625541
#625541
oklch(45.7% 0.035 78.4)
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 #4B586B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.022
- Dusty Grape #545775 ΔE 0.023
- Slate #516572 ΔE 0.041
- Dusk #4E5481 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.055
- Denim #3B638C ΔE 0.056
- Petrol #005F6A ΔE 0.061
- Twilight #4E518B ΔE 0.062
Use #4B586B 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.