#4F6199
Closest named color: Dusky Blue (#475F94). oklch(50.3% 0.092 269.4), rgb(79, 97, 153).
Aa
White text reads best on this color (5.99:1).
About this color
#4F6199 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.092 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.015 away. White text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #4F6199 |
| RGB | rgb(79, 97, 153) |
| HSL | hsl(225, 32%, 45%) |
| OKLCH | oklch(50.3% 0.092 269.4) |
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 #4F6199 | 5.99:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4F6199 | 3.50:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #4F6199 text on white | 5.99:1 | AA | Lc 79.9 | Fine for body text |
| #4F6199 text on black | 3.50:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B5C0DE
oklch(80.9% 0.044 269.5)
-
Step 400
400
#8F9FCE
oklch(70.7% 0.071 269.9)
-
Step 500
500
#7387C1
oklch(63.1% 0.091 269.1)
-
Step 600
600
#5C70AE
oklch(55.7% 0.1 269.4)
-
Step 700
700 (this color)
#4F6199
oklch(50.3% 0.092 269.4)
-
Step 800
800
#3E4C79
oklch(42.6% 0.077 269.8)
-
Step 900
900
#354061
oklch(37.7% 0.059 269.4)
-
Step 950
950
#1F2639
oklch(27.1% 0.037 268.4)
#4F6199 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) | #4C679B | 0.017 |
| Deuteranopia (no green cones) | #456098 | 0.014 |
| Tritanopia (no blue cones) | #326D76 | 0.082 |
| Achromatopsia (no color) | #636363 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6199
#4F6199
oklch(50.3% 0.092 269.4)
- #796119
#796119
oklch(50.3% 0.092 89.4)
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 #4F6199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.015
- Denim Blue #3B5B92 ΔE 0.034
- Denim #3B638C ΔE 0.034
- French Blue #436BAD ΔE 0.038
- Twilight #4E518B ΔE 0.047
- Muted Blue #3B719F ΔE 0.047
- Dusk #4E5481 ΔE 0.048
- Flat Blue #3C73A8 ΔE 0.052
Use #4F6199 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.