#4063A4#4063A4

#4063A4 is a mid, moderate blue. Relative luminance 0.127; OKLCH L 50.5% C 0.112 H 261.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4063A4
RGB	rgb(64, 99, 164)
HSL	hsl(219, 44%, 45%)
HSV	hsv(219, 61%, 64%)
CMYK	cmyk(61%, 39.6%, 0%, 35.7%)
CIE-LAB	lab(42.30, 8.14, -38.88)
CIE-LCH	lch(42.30, 39.73, 281.82°)
OKLab	oklab(50.51% -0.0159 -0.1104)
OKLCH	oklch(50.51% 0.112 261.8)
XYZ	xyz(13.2747, 12.6929, 36.8652)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4063A4 #A48140

analogous

#4095A4 #4063A4 #4F40A4

triadic

#4063A4 #A44063 #63A440

tetradic

#4063A4 #A44095 #A48140 #40A44F

square

#4063A4 #A44095 #A48140 #40A44F

split-complementary

#4063A4 #A44F40 #95A440

monochromatic

#1E2E4C #2F4878 #4063A4 #6082C1 #8CA5D2

Accessibility & contrast

On white

5.93

#4063A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4063A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4063A4

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4063A4	#FFFFFF	#000000	##FFFFFF
##4063A4	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4769A7

Deuteranopia (green-blind)

#3960A3

Tritanopia (blue-blind)

#00727B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4063a4;
/* rgb */ color: rgb(64, 99, 164);
/* oklch */ color: oklch(50.5% 0.112 261.8);

Tailwind

colors: {
  custom: {
    50: '#7e8fbf',
    500: '#4063a4',
    950: '#000000',
  },
}

SCSS

$custom: #4063a4;
$custom-light: #7e8fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#4063a4",
  "rgb": {
    "r": 64,
    "g": 99,
    "b": 164
  },
  "hsl": {
    "h": 219,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5051,
    "c": 0.11157,
    "h": 261.8
  },
  "luminance": 0.12694
}

Semantic roles & 50–950 ramp

primary

#4063A4

secondary

#BDA983

accent

#A754D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #4063A4

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

Preview Lab → · Contrast checker → · Palette generator →