#4F658E
Closest named color: Dusky Blue (#475F94). oklch(50.7% 0.071 262.4), rgb(79, 101, 142).
Aa
White text reads best on this color (5.85:1).
About this color
#4F658E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.071 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #4F658E |
| RGB | rgb(79, 101, 142) |
| HSL | hsl(219, 29%, 43%) |
| OKLCH | oklch(50.7% 0.071 262.4) |
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 #4F658E | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #4F658E | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #4F658E text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #4F658E text on black | 3.58:1 | AA large text | Lc -22.6 | 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
#D2D9E6
oklch(88.4% 0.019 263)
-
Step 300
300
#B5C1D7
oklch(80.9% 0.034 262.7)
-
Step 400
400
#8EA1C4
oklch(70.7% 0.056 262.6)
-
Step 500
500
#738AB5
oklch(63.2% 0.07 262.7)
-
Step 600
600
#5B73A0
oklch(55.5% 0.076 262.5)
-
Step 700
700 (this color)
#4F658E
oklch(50.7% 0.071 262.4)
-
Step 800
800
#3D4F6F
oklch(42.7% 0.058 261.6)
-
Step 900
900
#34425A
oklch(37.7% 0.045 261)
-
Step 950
950
#1F2735
oklch(27.2% 0.029 261.4)
#4F658E 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) | #566890 | 0.014 |
| Deuteranopia (no green cones) | #4F628D | 0.009 |
| Tritanopia (no blue cones) | #386E73 | 0.065 |
| Achromatopsia (no color) | #656565 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F658E
#4F658E
oklch(50.7% 0.071 262.4)
- #796133
#796133
oklch(50.6% 0.071 82.3)
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 #4F658E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- Denim #3B638C ΔE 0.026
- Muted Blue #3B719F ΔE 0.041
- Metallic Blue #4F738E ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.042
- Slate #516572 ΔE 0.046
- Dull Blue #49759C ΔE 0.046
- French Blue #436BAD ΔE 0.049
Use #4F658E 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.