#4B6597
Closest named color: Dusky Blue (#475F94). oklch(50.9% 0.086 262.7), rgb(75, 101, 151).
Aa
White text reads best on this color (5.82:1).
About this color
#4B6597 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.086 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.019 away. White text reads best on it, at 5.82:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #4B6597 |
| RGB | rgb(75, 101, 151) |
| HSL | hsl(219, 34%, 44%) |
| OKLCH | oklch(50.9% 0.086 262.7) |
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 #4B6597 | 5.82:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #4B6597 | 3.60:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #4B6597 text on white | 5.82:1 | AA | Lc 79.0 | Fine for body text |
| #4B6597 text on black | 3.60:1 | AA large text | Lc -22.8 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E9
oklch(88.4% 0.024 264.4)
-
Step 300
300
#B3C1DC
oklch(80.9% 0.041 263.6)
-
Step 400
400
#8BA1CB
oklch(70.7% 0.067 263.2)
-
Step 500
500
#6E89BD
oklch(63% 0.085 263)
-
Step 600
600
#5673AA
oklch(55.7% 0.093 262.5)
-
Step 700
700 (this color)
#4B6597
oklch(50.9% 0.086 262.7)
-
Step 800
800
#3A4E76
oklch(42.6% 0.071 263.4)
-
Step 900
900
#32415F
oklch(37.6% 0.055 263.6)
-
Step 950
950
#1D2638
oklch(26.9% 0.036 263.7)
#4B6597 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) | #526999 | 0.016 |
| Deuteranopia (no green cones) | #496296 | 0.009 |
| Tritanopia (no blue cones) | #2A7077 | 0.077 |
| Achromatopsia (no color) | #656565 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6597
#4B6597
oklch(50.9% 0.086 262.7)
- #7E6124
#7E6124
oklch(51% 0.086 82.9)
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 #4B6597, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.019
- Denim #3B638C ΔE 0.027
- Muted Blue #3B719F ΔE 0.035
- French Blue #436BAD ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.043
- Dull Blue #49759C ΔE 0.046
- Metallic Blue #4F738E ΔE 0.048
Use #4B6597 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.