#4B6289
Closest named color: Denim (#3B638C). oklch(49.4% 0.069 260.7), rgb(75, 98, 137).
Aa
White text reads best on this color (6.16:1).
About this color
#4B6289 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.069 and its hue 261°. 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 6.16:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #4B6289 |
| RGB | rgb(75, 98, 137) |
| HSL | hsl(218, 29%, 42%) |
| OKLCH | oklch(49.4% 0.069 260.7) |
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 #4B6289 | 6.16:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #4B6289 | 3.40:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #4B6289 text on white | 6.16:1 | AA | Lc 80.7 | Fine for body text |
| #4B6289 text on black | 3.40:1 | AA large text | Lc -21.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B5C1D7
oklch(80.9% 0.034 262.7)
-
Step 400
400
#8EA2C2
oklch(70.8% 0.052 259.8)
-
Step 500
500
#728AB3
oklch(63% 0.068 261)
-
Step 600
600
#5A749F
oklch(55.6% 0.074 260.2)
-
Step 700
700 (this color)
#4B6289
oklch(49.4% 0.069 260.7)
-
Step 800
800
#3D4F6E
oklch(42.6% 0.057 261)
-
Step 900
900
#344259
oklch(37.7% 0.044 260.2)
-
Step 950
950
#1F2734
oklch(27.1% 0.027 260)
#4B6289 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) | #54658B | 0.016 |
| Deuteranopia (no green cones) | #4D5F88 | 0.009 |
| Tritanopia (no blue cones) | #346A70 | 0.060 |
| Achromatopsia (no color) | #616161 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6289
#4B6289
oklch(49.4% 0.069 260.7)
- #765D31
#765D31
oklch(49.4% 0.069 80.2)
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 #4B6289, 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 0.023
- Denim Blue #3B5B92 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.038
- Dusty Grape #545775 ΔE 0.040
- Dusk #4E5481 ΔE 0.040
- Slate #516572 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
Use #4B6289 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.