#4048B3#4048B3

#4048B3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.167 H 274.5°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#4048B3
RGB	rgb(64, 72, 179)
HSL	hsl(236, 47%, 48%)
HSV	hsv(236, 64%, 70%)
CMYK	cmyk(64.2%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(35.94, 30.82, -57.98)
CIE-LCH	lch(35.94, 65.67, 298.00°)
OKLab	oklab(46.01% 0.0131 -0.1669)
OKLCH	oklch(46.01% 0.167 274.5)
XYZ	xyz(12.5657, 8.9783, 43.7099)
Luminance	0.0898 (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

#4048B3 #B3AB40

analogous

#4081B3 #4048B3 #7140B3

triadic

#4048B3 #B34048 #48B340

tetradic

#4048B3 #B34081 #B3AB40 #40B371

square

#4048B3 #B34081 #B3AB40 #40B371

split-complementary

#4048B3 #B37140 #81B340

monochromatic

#202459 #303686 #4048B3 #676EC9 #9499D9

Accessibility & contrast

On white

7.51

#4048B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4048B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4048B3

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048B3	#FFFFFF	#000000	##FFFFFF
##4048B3	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4048b3;
/* rgb */ color: rgb(64, 72, 179);
/* oklch */ color: oklch(46.0% 0.167 274.5);

Tailwind

colors: {
  custom: {
    50: '#827bcb',
    500: '#4048b3',
    950: '#000000',
  },
}

SCSS

$custom: #4048b3;
$custom-light: #827bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4048b3",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 235.826,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46007,
    "c": 0.1674,
    "h": 274.5
  },
  "luminance": 0.08979
}

Semantic roles & 50–950 ramp

primary

#4048B3

secondary

#C4C08A

accent

#CE51D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4048B3

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

Preview Lab → · Contrast checker → · Palette generator →