#4B659E
Closest named color: Dusky Blue (#475F94). oklch(51.2% 0.096 264.6), rgb(75, 101, 158).
Aa
White text reads best on this color (5.74:1).
About this color
#4B659E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.096 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.022 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #4B659E |
| RGB | rgb(75, 101, 158) |
| HSL | hsl(221, 36%, 46%) |
| OKLCH | oklch(51.2% 0.096 264.6) |
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 #4B659E | 5.74:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #4B659E | 3.65:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #4B659E text on white | 5.74:1 | AA | Lc 78.6 | Fine for body text |
| #4B659E text on black | 3.65:1 | AA large text | Lc -23.2 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B2C1E0
oklch(81% 0.047 264.9)
-
Step 400
400
#8AA0D0
oklch(70.7% 0.075 265.4)
-
Step 500
500
#6D88C3
oklch(63% 0.095 265)
-
Step 600
600
#5571B0
oklch(55.5% 0.104 265)
-
Step 700
700 (this color)
#4B659E
oklch(51.2% 0.096 264.6)
-
Step 800
800
#394E7B
oklch(42.8% 0.08 264.3)
-
Step 900
900
#314163
oklch(37.8% 0.062 264.4)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#4B659E 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) | #4F6AA0 | 0.016 |
| Deuteranopia (no green cones) | #45629D | 0.012 |
| Tritanopia (no blue cones) | #24717A | 0.085 |
| Achromatopsia (no color) | #666666 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B659E
#4B659E
oklch(51.2% 0.096 264.6)
- #806217
#806217
oklch(51.3% 0.096 85.2)
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 #4B659E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.022
- French Blue #436BAD ΔE 0.026
- Denim #3B638C ΔE 0.036
- Muted Blue #3B719F ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.044
- Dull Blue #49759C ΔE 0.048
Use #4B659E 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.