#4B5972
Closest named color: YInMn Blue (#415A77). oklch(46.2% 0.045 261.9), rgb(75, 89, 114).
Aa
White text reads best on this color (7.06:1).
About this color
#4B5972 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.045 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.015 away. White text reads best on it, at 7.06:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.97:1 |
| White text | 7.06:1 |
Values
| HEX | #4B5972 |
| RGB | rgb(75, 89, 114) |
| HSL | hsl(218, 21%, 37%) |
| OKLCH | oklch(46.2% 0.045 261.9) |
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 #4B5972 | 7.06:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #4B5972 | 2.97:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #4B5972 text on white | 7.06:1 | AAA | Lc 84.5 | Fine for body text |
| #4B5972 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CF
oklch(80.9% 0.022 261.8)
-
Step 400
400
#95A1B7
oklch(70.7% 0.035 262.6)
-
Step 500
500
#7B8AA5
oklch(63.1% 0.044 262.2)
-
Step 600
600
#647490
oklch(55.6% 0.048 261.5)
-
Step 700
700 (this color)
#4B5972
oklch(46.2% 0.045 261.9)
-
Step 800
800
#444F64
oklch(42.7% 0.038 263.2)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#222730
oklch(27.2% 0.018 262.2)
#4B5972 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) | #515A73 | 0.010 |
| Deuteranopia (no green cones) | #4D5771 | 0.006 |
| Tritanopia (no blue cones) | #405E61 | 0.040 |
| Achromatopsia (no color) | #585858 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5972
#4B5972
oklch(46.2% 0.045 261.9)
- #65563C
#65563C
oklch(46.1% 0.044 81)
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 #4B5972, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.015
- Dusty Grape #545775 ΔE 0.016
- Dusk #4E5481 ΔE 0.033
- Slate #516572 ΔE 0.039
- Denim #3B638C ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.047
- Twilight #4E518B ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.054
Use #4B5972 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.