#4B6587
Closest named color: Denim (#3B638C). oklch(50% 0.063 255.4), rgb(75, 101, 135).
Aa
White text reads best on this color (5.98:1).
About this color
#4B6587 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.063 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.022 away. White text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #4B6587 |
| RGB | rgb(75, 101, 135) |
| HSL | hsl(214, 29%, 41%) |
| OKLCH | oklch(50% 0.063 255.4) |
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 #4B6587 | 5.98:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4B6587 | 3.51:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #4B6587 text on white | 5.98:1 | AA | Lc 79.9 | Fine for body text |
| #4B6587 text on black | 3.51:1 | AA large text | Lc -22.0 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8DA2BF
oklch(70.6% 0.049 256.5)
-
Step 500
500
#708CAF
oklch(63.2% 0.062 254.3)
-
Step 600
600
#59759B
oklch(55.6% 0.068 256.2)
-
Step 700
700 (this color)
#4B6587
oklch(50% 0.063 255.4)
-
Step 800
800
#3C506B
oklch(42.6% 0.052 256.1)
-
Step 900
900
#334357
oklch(37.8% 0.04 254.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#4B6587 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) | #586789 | 0.019 |
| Deuteranopia (no green cones) | #516186 | 0.013 |
| Tritanopia (no blue cones) | #356C71 | 0.054 |
| Achromatopsia (no color) | #636363 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6587
#4B6587
oklch(50% 0.063 255.4)
- #785E39
#785E39
oklch(49.9% 0.063 75.3)
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 #4B6587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.022
- Dusky Blue #475F94 ΔE 0.032
- Slate #516572 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.042
- Dusty Grape #545775 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.044
- Muted Blue #3B719F ΔE 0.045
Use #4B6587 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.