#4048B7#4048B7

#4048B7 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.3% C 0.173 H 274.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#4048B7
RGB	rgb(64, 72, 183)
HSL	hsl(236, 48%, 48%)
HSV	hsv(236, 65%, 72%)
CMYK	cmyk(65%, 60.7%, 0%, 28.2%)
CIE-LAB	lab(36.26, 32.21, -59.83)
CIE-LCH	lch(36.26, 67.95, 298.30°)
OKLab	oklab(46.34% 0.013 -0.1723)
OKLCH	oklch(46.34% 0.173 274.3)
XYZ	xyz(12.9761, 9.1425, 45.8714)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4048B7 #B7AF40

analogous

#4083B7 #4048B7 #7340B7

triadic

#4048B7 #B74048 #48B740

tetradic

#4048B7 #B74083 #B7AF40 #40B773

square

#4048B7 #B74083 #B7AF40 #40B773

split-complementary

#4048B7 #B77340 #83B740

monochromatic

#20245C #30368A #4048B7 #6970CB #979BDB

Accessibility & contrast

On white

7.42

#4048B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4048B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4048B7

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048B7	#FFFFFF	#000000	##FFFFFF
##4048B7	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBB

Deuteranopia (green-blind)

#0050B5

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4048b7;
/* rgb */ color: rgb(64, 72, 183);
/* oklch */ color: oklch(46.3% 0.173 274.3);

Tailwind

colors: {
  custom: {
    50: '#827bcd',
    500: '#4048b7',
    950: '#000000',
  },
}

SCSS

$custom: #4048b7;
$custom-light: #827bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4048b7",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 183
  },
  "hsl": {
    "h": 235.966,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46338,
    "c": 0.17282,
    "h": 274.3
  },
  "luminance": 0.09144
}

Semantic roles & 50–950 ramp

primary

#4048B7

secondary

#C6C28D

accent

#CF50D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4048B7

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

Preview Lab → · Contrast checker → · Palette generator →