#4B659D
Closest named color: Dusky Blue (#475F94). oklch(51.2% 0.095 264.4), rgb(75, 101, 157).
Aa
White text reads best on this color (5.75:1).
About this color
#4B659D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.095 and its hue 264°. 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 5.75:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.64:1 |
| White text | 5.75:1 |
Values
| HEX | #4B659D |
| RGB | rgb(75, 101, 157) |
| HSL | hsl(221, 35%, 45%) |
| OKLCH | oklch(51.2% 0.095 264.4) |
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 #4B659D | 5.75:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #4B659D | 3.64:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #4B659D text on white | 5.75:1 | AA | Lc 78.7 | Fine for body text |
| #4B659D text on black | 3.64:1 | AA large text | Lc -23.1 | 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
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400
#8AA0CF
oklch(70.6% 0.074 265.1)
-
Step 500
500
#6D88C3
oklch(63% 0.095 265)
-
Step 600
600
#5572AF
oklch(55.7% 0.101 264.1)
-
Step 700
700 (this color)
#4B659D
oklch(51.2% 0.095 264.4)
-
Step 800
800
#394E7A
oklch(42.8% 0.078 264)
-
Step 900
900
#314162
oklch(37.7% 0.061 264)
-
Step 950
950
#1D263A
oklch(27% 0.04 265.3)
#4B659D 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) | #4F6A9F | 0.016 |
| Deuteranopia (no green cones) | #46629C | 0.011 |
| Tritanopia (no blue cones) | #257179 | 0.085 |
| Achromatopsia (no color) | #666666 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B659D
#4B659D
oklch(51.2% 0.095 264.4)
- #806119
#806119
oklch(51.1% 0.095 83.8)
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 #4B659D, 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 0.028
- Denim #3B638C ΔE 0.035
- Muted Blue #3B719F ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.045
- Dull Blue #49759C ΔE 0.047
Use #4B659D 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.