#4A577A
Closest named color: YInMn Blue (#415A77). oklch(46.1% 0.06 268.3), rgb(74, 87, 122).
Aa
White text reads best on this color (7.15:1).
About this color
#4A577A is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.016 away. White text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #4A577A |
| RGB | rgb(74, 87, 122) |
| HSL | hsl(224, 24%, 38%) |
| OKLCH | oklch(46.1% 0.06 268.3) |
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 #4A577A | 7.15:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #4A577A | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #4A577A text on white | 7.15:1 | AAA | Lc 84.8 | Fine for body text |
| #4A577A text on black | 2.93:1 | Fails | Lc -17.2 | 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
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B9C0D4
oklch(80.9% 0.029 270.3)
-
Step 400
400
#94A0BE
oklch(70.7% 0.046 268)
-
Step 500
500
#7A89AE
oklch(63.2% 0.059 267.5)
-
Step 600
600
#63729A
oklch(55.6% 0.065 268.4)
-
Step 700
700 (this color)
#4A577A
oklch(46.1% 0.06 268.3)
-
Step 800
800
#434E6B
oklch(42.7% 0.05 268.2)
-
Step 900
900
#394156
oklch(37.7% 0.038 268.4)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#4A577A 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) | #4B5A7C | 0.009 |
| Deuteranopia (no green cones) | #475679 | 0.006 |
| Tritanopia (no blue cones) | #3B5E63 | 0.054 |
| Achromatopsia (no color) | #585858 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A577A
#4A577A
oklch(46.1% 0.06 268.3)
- #66562F
#66562F
oklch(46% 0.06 87.7)
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 #4A577A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.016
- Dusty Grape #545775 ΔE 0.016
- Dusk #4E5481 ΔE 0.017
- Twilight #4E518B ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.041
- Dusky Blue #475F94 ΔE 0.043
Use #4A577A 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.