#4B5D71
Closest named color: YInMn Blue (#415A77). oklch(47.1% 0.039 251.3), rgb(75, 93, 113).
Aa
White text reads best on this color (6.76:1).
About this color
#4B5D71 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.039 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.021 away. White text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #4B5D71 |
| RGB | rgb(75, 93, 113) |
| HSL | hsl(212, 20%, 37%) |
| OKLCH | oklch(47.1% 0.039 251.3) |
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 #4B5D71 | 6.76:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #4B5D71 | 3.10:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #4B5D71 text on white | 6.76:1 | AA | Lc 83.3 | Fine for body text |
| #4B5D71 text on black | 3.10:1 | AA large text | Lc -18.6 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CD
oklch(81% 0.019 250.6)
-
Step 400
400
#93A2B3
oklch(70.6% 0.03 251.6)
-
Step 500
500
#798CA1
oklch(63.2% 0.039 251)
-
Step 600
600
#61758C
oklch(55.5% 0.043 252.2)
-
Step 700
700 (this color)
#4B5D71
oklch(47.1% 0.039 251.3)
-
Step 800
800
#425061
oklch(42.6% 0.033 253.5)
-
Step 900
900
#38434F
oklch(37.8% 0.025 250.7)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#4B5D71 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) | #565D72 | 0.016 |
| Deuteranopia (no green cones) | #515A71 | 0.012 |
| Tritanopia (no blue cones) | #3F6164 | 0.033 |
| Achromatopsia (no color) | #5B5B5B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5D71
#4B5D71
oklch(47.1% 0.039 251.3)
- #695843
#695843
oklch(47.1% 0.039 72.5)
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 #4B5D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.021
- Dusty Grape #545775 ΔE 0.024
- Slate #516572 ΔE 0.027
- Dusk #4E5481 ΔE 0.043
- Denim #3B638C ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.059
Use #4B5D71 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.