#4F648E
Closest named color: Dusky Blue (#475F94). oklch(50.4% 0.072 263.6), rgb(79, 100, 142).
Aa
White text reads best on this color (5.92:1).
About this color
#4F648E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.072 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.023 away. White text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #4F648E |
| RGB | rgb(79, 100, 142) |
| HSL | hsl(220, 29%, 43%) |
| OKLCH | oklch(50.4% 0.072 263.6) |
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 #4F648E | 5.92:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #4F648E | 3.54:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #4F648E text on white | 5.92:1 | AA | Lc 79.6 | Fine for body text |
| #4F648E text on black | 3.54:1 | AA large text | Lc -22.3 | 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
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B5C1D8
oklch(80.9% 0.035 263.5)
-
Step 400
400
#8FA1C4
oklch(70.7% 0.055 263.6)
-
Step 500
500
#7389B5
oklch(63% 0.071 263.9)
-
Step 600
600
#5C73A1
oklch(55.6% 0.077 263.6)
-
Step 700
700 (this color)
#4F648E
oklch(50.4% 0.072 263.6)
-
Step 800
800
#3E4F70
oklch(42.8% 0.059 263.1)
-
Step 900
900
#35415B
oklch(37.6% 0.048 265.1)
-
Step 950
950
#1F2635
oklch(26.9% 0.03 265.1)
#4F648E 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) | #556790 | 0.013 |
| Deuteranopia (no green cones) | #4E618D | 0.009 |
| Tritanopia (no blue cones) | #386D73 | 0.065 |
| Achromatopsia (no color) | #646464 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F648E
#4F648E
oklch(50.4% 0.072 263.6)
- #786131
#786131
oklch(50.5% 0.072 84.1)
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 #4F648E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.023
- Denim #3B638C ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.040
- Muted Blue #3B719F ΔE 0.043
- Metallic Blue #4F738E ΔE 0.045
- Slate #516572 ΔE 0.047
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.048
Use #4F648E 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.