#4E557A
Closest named color: Dusk (#4E5481). oklch(45.9% 0.061 275.5), rgb(78, 85, 122).
Aa
White text reads best on this color (7.23:1).
About this color
#4E557A is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.061 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.013 away. White text reads best on it, at 7.23:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #4E557A |
| RGB | rgb(78, 85, 122) |
| HSL | hsl(230, 22%, 39%) |
| OKLCH | oklch(45.9% 0.061 275.5) |
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 #4E557A | 7.23:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #4E557A | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #4E557A text on white | 7.23:1 | AAA | Lc 85.1 | Fine for body text |
| #4E557A 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BBBFD4
oklch(80.8% 0.03 277.1)
-
Step 400
400
#989FBF
oklch(70.8% 0.047 275.4)
-
Step 500
500
#7F87AE
oklch(63.1% 0.059 275.6)
-
Step 600
600
#68709A
oklch(55.5% 0.066 275.7)
-
Step 700
700 (this color)
#4E557A
oklch(45.9% 0.061 275.5)
-
Step 800
800
#474D6B
oklch(42.8% 0.05 275.3)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950
#232633
oklch(27.1% 0.025 274.5)
#4E557A 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) | #49597C | 0.013 |
| Deuteranopia (no green cones) | #465579 | 0.012 |
| Tritanopia (no blue cones) | #425C62 | 0.054 |
| Achromatopsia (no color) | #575757 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E557A
#4E557A
oklch(45.9% 0.061 275.5)
- #62582E
#62582E
oklch(46% 0.062 96.3)
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 #4E557A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.013
- Dusty Grape #545775 ΔE 0.015
- YInMn Blue #415A77 ΔE 0.024
- Twilight #4E518B ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.045
- Denim #3B638C ΔE 0.047
Use #4E557A 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.