#4E6588
Closest named color: Denim (#3B638C). oklch(50.3% 0.063 258.6), rgb(78, 101, 136).
Aa
White text reads best on this color (5.93:1).
About this color
#4E6588 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.063 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.025 away. White text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.54:1 |
| White text | 5.93:1 |
Values
| HEX | #4E6588 |
| RGB | rgb(78, 101, 136) |
| HSL | hsl(216, 27%, 42%) |
| OKLCH | oklch(50.3% 0.063 258.6) |
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 #4E6588 | 5.93:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #4E6588 | 3.54:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #4E6588 text on white | 5.93:1 | AA | Lc 79.6 | Fine for body text |
| #4E6588 text on black | 3.54:1 | AA large text | Lc -22.2 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B5C2D5
oklch(81% 0.03 257.8)
-
Step 400
400
#8EA2BF
oklch(70.7% 0.048 257.6)
-
Step 500
500
#738BAF
oklch(63.2% 0.061 258.3)
-
Step 600
600
#5B749B
oklch(55.5% 0.068 259.1)
-
Step 700
700 (this color)
#4E6588
oklch(50.3% 0.063 258.6)
-
Step 800
800
#3D506C
oklch(42.8% 0.053 257.9)
-
Step 900
900
#344257
oklch(37.6% 0.041 258.3)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#4E6588 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) | #58678A | 0.016 |
| Deuteranopia (no green cones) | #526187 | 0.012 |
| Tritanopia (no blue cones) | #3A6D71 | 0.056 |
| Achromatopsia (no color) | #646464 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E6588
#4E6588
oklch(50.3% 0.063 258.6)
- #786039
#786039
oklch(50.4% 0.063 78.7)
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 #4E6588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.025
- Dusky Blue #475F94 ΔE 0.031
- Slate #516572 ΔE 0.036
- Metallic Blue #4F738E ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Dusty Grape #545775 ΔE 0.044
- Muted Blue #3B719F ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.045
Use #4E6588 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.