#4063A3#4063A3

#4063A3 is a mid, moderate blue. Relative luminance 0.127; OKLCH L 50.4% C 0.110 H 261.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4063A3
RGB	rgb(64, 99, 163)
HSL	hsl(219, 44%, 45%)
HSV	hsv(219, 61%, 64%)
CMYK	cmyk(60.7%, 39.3%, 0%, 36.1%)
CIE-LAB	lab(42.24, 7.79, -38.38)
CIE-LCH	lch(42.24, 39.16, 281.47°)
OKLab	oklab(50.45% -0.0161 -0.109)
OKLCH	oklch(50.45% 0.11 261.6)
XYZ	xyz(13.1848, 12.6569, 36.3914)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063A3 #A38040

analogous

#4095A3 #4063A3 #4F40A3

triadic

#4063A3 #A34063 #63A340

tetradic

#4063A3 #A34095 #A38040 #40A34F

square

#4063A3 #A34095 #A38040 #40A34F

split-complementary

#4063A3 #A34F40 #95A340

monochromatic

#1D2E4B #2F4877 #4063A3 #6082C0 #8CA4D2

Accessibility & contrast

On white

5.95

#4063A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4063A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063A3

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063A3	#FFFFFF	#000000	##FFFFFF
##4063A3	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4869A6

Deuteranopia (green-blind)

#3A5FA2

Tritanopia (blue-blind)

#00717B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4063a3;
/* rgb */ color: rgb(64, 99, 163);
/* oklch */ color: oklch(50.4% 0.110 261.6);

Tailwind

colors: {
  custom: {
    50: '#7d8fbe',
    500: '#4063a3',
    950: '#000000',
  },
}

SCSS

$custom: #4063a3;
$custom-light: #7d8fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#4063a3",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 163
  },
  "hsl": {
    "h": 218.788,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5045,
    "c": 0.11015,
    "h": 261.6
  },
  "luminance": 0.12658
}

Semantic roles & 50–950 ramp

primary

#4063A3

secondary

#BDA882

accent

#A654D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #4063A3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →