#4E638E
Closest named color: Dusky Blue (#475F94). oklch(50.1% 0.074 264), rgb(78, 99, 142).
Aa
White text reads best on this color (6.00:1).
About this color
#4E638E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.074 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.020 away. White text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #4E638E |
| RGB | rgb(78, 99, 142) |
| HSL | hsl(220, 29%, 43%) |
| OKLCH | oklch(50.1% 0.074 264) |
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 #4E638E | 6.00:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4E638E | 3.49:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #4E638E text on white | 6.00:1 | AA | Lc 79.9 | Fine for body text |
| #4E638E text on black | 3.49:1 | AA large text | Lc -21.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B5C1D8
oklch(80.9% 0.035 263.5)
-
Step 400
400
#8FA1C5
oklch(70.8% 0.057 264.1)
-
Step 500
500
#7389B6
oklch(63% 0.073 264.2)
-
Step 600
600
#5C73A2
oklch(55.7% 0.078 264)
-
Step 700
700 (this color)
#4E638E
oklch(50.1% 0.074 264)
-
Step 800
800
#3E4F71
oklch(42.8% 0.061 263.6)
-
Step 900
900
#35415B
oklch(37.6% 0.048 265.1)
-
Step 950
950
#1F2635
oklch(26.9% 0.03 265.1)
#4E638E 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) | #536690 | 0.012 |
| Deuteranopia (no green cones) | #4D608D | 0.009 |
| Tritanopia (no blue cones) | #376C72 | 0.066 |
| Achromatopsia (no color) | #636363 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E638E
#4E638E
oklch(50.1% 0.074 264)
- #77602F
#77602F
oklch(50.1% 0.073 84.4)
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 #4E638E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.020
- Denim #3B638C ΔE 0.023
- Denim Blue #3B5B92 ΔE 0.037
- Dusk #4E5481 ΔE 0.044
- Muted Blue #3B719F ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.047
- Slate #516572 ΔE 0.048
Use #4E638E 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.