#4A5772
Closest named color: YInMn Blue (#415A77). oklch(45.7% 0.047 264.6), rgb(74, 87, 114).
Aa
White text reads best on this color (7.24:1).
About this color
#4A5772 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.047 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #4A5772 |
| RGB | rgb(74, 87, 114) |
| HSL | hsl(221, 21%, 37%) |
| OKLCH | oklch(45.7% 0.047 264.6) |
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 #4A5772 | 7.24:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #4A5772 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4A5772 text on white | 7.24:1 | AAA | Lc 85.2 | Fine for body text |
| #4A5772 text on black | 2.89:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D3
oklch(81% 0.027 264.4)
-
Step 400
400
#93A1BD
oklch(70.8% 0.044 264.2)
-
Step 500
500
#7989AC
oklch(63% 0.056 265.6)
-
Step 600
600
#617398
oklch(55.6% 0.062 264.4)
-
Step 700
700
#516082
oklch(49.1% 0.058 265.9)
-
Step 800
800 (this color)
#4A5772
oklch(45.7% 0.047 264.6)
-
Step 900
900
#384156
oklch(37.6% 0.038 266.6)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#4A5772 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) | #4E5973 | 0.009 |
| Deuteranopia (no green cones) | #4A5571 | 0.006 |
| Tritanopia (no blue cones) | #3E5C60 | 0.042 |
| Achromatopsia (no color) | #575757 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A5772
#4A5772
oklch(45.7% 0.047 264.6)
- #635538
#635538
oklch(45.6% 0.047 84.9)
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 #4A5772, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Dusty Grape #545775 ΔE 0.016
- Dusk #4E5481 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.045
- Slate #516572 ΔE 0.045
- Denim #3B638C ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.053
Use #4A5772 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.