#4E5B78
Closest named color: Dusty Grape (#545775). oklch(47.2% 0.05 265.8), rgb(78, 91, 120).
Aa
White text reads best on this color (6.79:1).
About this color
#4E5B78 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.050 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.013 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #4E5B78 |
| RGB | rgb(78, 91, 120) |
| HSL | hsl(221, 21%, 39%) |
| OKLCH | oklch(47.2% 0.05 265.8) |
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 #4E5B78 | 6.79:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #4E5B78 | 3.09:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #4E5B78 text on white | 6.79:1 | AA | Lc 83.4 | Fine for body text |
| #4E5B78 text on black | 3.09:1 | AA large text | Lc -18.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#B9C1D1
oklch(81% 0.024 264.4)
-
Step 400
400
#95A1B9
oklch(70.8% 0.038 264.3)
-
Step 500
500
#7B89A8
oklch(63% 0.05 265.9)
-
Step 600
600
#647393
oklch(55.6% 0.053 265.1)
-
Step 700
700 (this color)
#4E5B78
oklch(47.2% 0.05 265.8)
-
Step 800
800
#444F66
oklch(42.7% 0.041 264.8)
-
Step 900
900
#394153
oklch(37.6% 0.033 266.1)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#4E5B78 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) | #515D79 | 0.008 |
| Deuteranopia (no green cones) | #4E5977 | 0.006 |
| Tritanopia (no blue cones) | #426165 | 0.045 |
| Achromatopsia (no color) | #5B5B5B | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5B78
#4E5B78
oklch(47.2% 0.05 265.8)
- #685A3A
#685A3A
oklch(47.3% 0.051 86.8)
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 #4E5B78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.013
- YInMn Blue #415A77 ΔE 0.018
- Dusk #4E5481 ΔE 0.029
- Slate #516572 ΔE 0.036
- Denim #3B638C ΔE 0.039
- Dusky Blue #475F94 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.048
Use #4E5B78 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.