#4F5997
Closest named color: Dusky Blue (#475F94). oklch(48.5% 0.1 275.1), rgb(79, 89, 151).
Aa
White text reads best on this color (6.54:1).
About this color
#4F5997 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.100 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.021 away. White text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.20:1 |
| White text | 6.54:1 |
Values
| HEX | #4F5997 |
| RGB | rgb(79, 89, 151) |
| HSL | hsl(232, 31%, 45%) |
| OKLCH | oklch(48.5% 0.1 275.1) |
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 #4F5997 | 6.54:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #4F5997 | 3.20:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4F5997 text on white | 6.54:1 | AA | Lc 82.3 | Fine for body text |
| #4F5997 text on black | 3.20:1 | AA large text | Lc -19.6 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B7BFE1
oklch(81% 0.049 274.8)
-
Step 400
400
#929DD1
oklch(70.6% 0.077 275)
-
Step 500
500
#7884C5
oklch(63% 0.099 275.2)
-
Step 600
600
#616DB2
oklch(55.6% 0.108 274.9)
-
Step 700
700 (this color)
#4F5997
oklch(48.5% 0.1 275.1)
-
Step 800
800
#424A7C
oklch(42.6% 0.083 275.4)
-
Step 900
900
#383E64
oklch(37.7% 0.065 276)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#4F5997 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) | #416099 | 0.024 |
| Deuteranopia (no green cones) | #3B5B96 | 0.026 |
| Tritanopia (no blue cones) | #356670 | 0.090 |
| Achromatopsia (no color) | #5D5D5D | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F5997
#4F5997
oklch(48.5% 0.1 275.1)
- #715E00
#715E00
oklch(48.6% 0.1 95.2)
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 #4F5997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.021
- Twilight #4E518B ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.028
- Dusk #4E5481 ΔE 0.036
- Denim #3B638C ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.048
- Dusty Grape #545775 ΔE 0.055
- French Blue #436BAD ΔE 0.055
Use #4F5997 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.