#4B6088
Closest named color: Denim (#3B638C). oklch(48.9% 0.07 262.8), rgb(75, 96, 136).
Aa
White text reads best on this color (6.31:1).
About this color
#4B6088 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.070 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #4B6088 |
| RGB | rgb(75, 96, 136) |
| HSL | hsl(219, 29%, 41%) |
| OKLCH | oklch(48.9% 0.07 262.8) |
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 #4B6088 | 6.31:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #4B6088 | 3.32:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #4B6088 text on white | 6.31:1 | AA | Lc 81.4 | Fine for body text |
| #4B6088 text on black | 3.32:1 | AA large text | Lc -20.5 | 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
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B5C1D7
oklch(80.9% 0.034 262.7)
-
Step 400
400
#8FA1C3
oklch(70.7% 0.054 263.1)
-
Step 500
500
#738AB4
oklch(63.2% 0.069 262.2)
-
Step 600
600
#5C73A0
oklch(55.6% 0.076 263.3)
-
Step 700
700 (this color)
#4B6088
oklch(48.9% 0.07 262.8)
-
Step 800
800
#3E4F6F
oklch(42.7% 0.058 262.6)
-
Step 900
900
#35425A
oklch(37.8% 0.045 262.4)
-
Step 950
950
#1F2635
oklch(26.9% 0.03 265.1)
#4B6088 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) | #52638A | 0.014 |
| Deuteranopia (no green cones) | #4B5D87 | 0.009 |
| Tritanopia (no blue cones) | #35686E | 0.061 |
| Achromatopsia (no color) | #606060 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6088
#4B6088
oklch(48.9% 0.07 262.8)
- #745C2F
#745C2F
oklch(48.9% 0.07 81.6)
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 #4B6088, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- Dusky Blue #475F94 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Dusk #4E5481 ΔE 0.034
- Dusty Grape #545775 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.040
- Slate #516572 ΔE 0.044
Use #4B6088 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.