#4F5F97
Closest named color: Dusky Blue (#475F94). oklch(49.8% 0.092 270.7), rgb(79, 95, 151).
Aa
White text reads best on this color (6.14:1).
About this color
#4F5F97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.092 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.012 away. White text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #4F5F97 |
| RGB | rgb(79, 95, 151) |
| HSL | hsl(227, 31%, 45%) |
| OKLCH | oklch(49.8% 0.092 270.7) |
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 #4F5F97 | 6.14:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #4F5F97 | 3.41:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #4F5F97 text on white | 6.14:1 | AA | Lc 80.6 | Fine for body text |
| #4F5F97 text on black | 3.41:1 | AA large text | Lc -21.3 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DE
oklch(81% 0.044 270.8)
-
Step 400
400
#909FCE
oklch(70.8% 0.071 270.8)
-
Step 500
500
#7586C1
oklch(63% 0.091 271.3)
-
Step 600
600
#5E6FAD
oklch(55.5% 0.099 271.2)
-
Step 700
700 (this color)
#4F5F97
oklch(49.8% 0.092 270.7)
-
Step 800
800
#3F4C79
oklch(42.7% 0.077 270.7)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950
#1F2539
oklch(26.9% 0.038 270.9)
#4F5F97 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) | #4A6599 | 0.017 |
| Deuteranopia (no green cones) | #435F96 | 0.016 |
| Tritanopia (no blue cones) | #346B74 | 0.082 |
| Achromatopsia (no color) | #616161 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F5F97
#4F5F97
oklch(49.8% 0.092 270.7)
- #766017
#766017
oklch(49.7% 0.092 91.1)
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 #4F5F97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.012
- Denim Blue #3B5B92 ΔE 0.030
- Denim #3B638C ΔE 0.034
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.043
- French Blue #436BAD ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.050
- Muted Blue #3B719F ΔE 0.052
Use #4F5F97 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.