#4668AC
Closest named color: French Blue (#436BAD). oklch(52.4% 0.115 263), rgb(70, 104, 172).
Aa
White text reads best on this color (5.47:1).
About this color
#4668AC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.115 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.008 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #4668AC |
| RGB | rgb(70, 104, 172) |
| HSL | hsl(220, 42%, 47%) |
| OKLCH | oklch(52.4% 0.115 263) |
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 #4668AC | 5.47:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #4668AC | 3.83:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #4668AC text on white | 5.47:1 | AA | Lc 77.1 | Fine for body text |
| #4668AC text on black | 3.83:1 | AA large text | Lc -24.6 | 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 600.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E3
oklch(80.9% 0.052 263.1)
-
Step 400
400
#85A1D5
oklch(70.7% 0.083 262.5)
-
Step 500
500
#6789C9
oklch(63.2% 0.104 262.4)
-
Step 600
600 (this color)
#4668AC
oklch(52.4% 0.115 263)
-
Step 700
700
#405F9D
oklch(49.2% 0.106 263)
-
Step 800
800
#354E7F
oklch(42.8% 0.087 262.8)
-
Step 900
900
#2E4166
oklch(37.7% 0.068 262.8)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#4668AC 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) | #4B6EAF | 0.019 |
| Deuteranopia (no green cones) | #3E65AB | 0.013 |
| Tritanopia (no blue cones) | #007781 | 0.101 |
| Achromatopsia (no color) | #696969 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4668AC
#4668AC
oklch(52.4% 0.115 263)
- #886300
#886300
oklch(52.4% 0.108 82.9)
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 #4668AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.008
- Mid Blue #276AB3 ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.034
- Muted Blue #3B719F ΔE 0.038
- Dusky Blue #475F94 ΔE 0.042
- Windows Blue #3778BF ΔE 0.048
- Dull Blue #49759C ΔE 0.051
- Denim #3B638C ΔE 0.054
Use #4668AC 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.