#4B669C
Closest named color: Dusky Blue (#475F94). oklch(51.4% 0.092 263.3), rgb(75, 102, 156).
Aa
White text reads best on this color (5.70:1).
About this color
#4B669C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.092 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.023 away. White text reads best on it, at 5.70:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.67:1 |
| White text | 5.70:1 |
Values
| HEX | #4B669C |
| RGB | rgb(75, 102, 156) |
| HSL | hsl(220, 35%, 45%) |
| OKLCH | oklch(51.4% 0.092 263.3) |
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 #4B669C | 5.70:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #4B669C | 3.67:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #4B669C text on white | 5.70:1 | AA | Lc 78.4 | Fine for body text |
| #4B669C text on black | 3.67:1 | AA large text | Lc -23.3 | 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
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#89A1CE
oklch(70.7% 0.072 262.8)
-
Step 500
500
#6C89C1
oklch(63.1% 0.091 263)
-
Step 600
600
#5572AD
oklch(55.6% 0.098 263.6)
-
Step 700
700 (this color)
#4B669C
oklch(51.4% 0.092 263.3)
-
Step 800
800
#394E79
oklch(42.7% 0.077 263.7)
-
Step 900
900
#314161
oklch(37.7% 0.059 263.5)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#4B669C 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) | #516A9E | 0.015 |
| Deuteranopia (no green cones) | #48639B | 0.010 |
| Tritanopia (no blue cones) | #25727A | 0.082 |
| Achromatopsia (no color) | #666666 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B669C
#4B669C
oklch(51.4% 0.092 263.3)
- #80621E
#80621E
oklch(51.4% 0.092 83.9)
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 #4B669C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.023
- French Blue #436BAD ΔE 0.028
- Muted Blue #3B719F ΔE 0.033
- Denim #3B638C ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.041
- Dull Blue #49759C ΔE 0.044
- Mid Blue #276AB3 ΔE 0.046
Use #4B669C 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.