#4048BC#4048BC

#4048BC is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.8% C 0.180 H 274.1°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4048BC
RGB	rgb(64, 72, 188)
HSL	hsl(236, 49%, 49%)
HSV	hsv(236, 66%, 74%)
CMYK	cmyk(66%, 61.7%, 0%, 26.3%)
CIE-LAB	lab(36.66, 33.94, -62.12)
CIE-LCH	lch(36.66, 70.79, 298.65°)
OKLab	oklab(46.76% 0.0128 -0.179)
OKLCH	oklch(46.76% 0.18 274.1)
XYZ	xyz(13.5058, 9.3544, 48.6610)
Luminance	0.0936 (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

#4048BC #BCB440

analogous

#4086BC #4048BC #7640BC

triadic

#4048BC #BC4048 #48BC40

tetradic

#4048BC #BC4086 #BCB440 #40BC76

square

#4048BC #BC4086 #BCB440 #40BC76

split-complementary

#4048BC #BC7640 #86BC40

monochromatic

#212561 #30378E #4048BC #6C72CD #9A9EDD

Accessibility & contrast

On white

7.31

#4048BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4048BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4048BC

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048BC	#FFFFFF	#000000	##FFFFFF
##4048BC	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4048bc;
/* rgb */ color: rgb(64, 72, 188);
/* oklch */ color: oklch(46.8% 0.180 274.1);

Tailwind

colors: {
  custom: {
    50: '#837bd1',
    500: '#4048bc',
    950: '#000000',
  },
}

SCSS

$custom: #4048bc;
$custom-light: #837bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4048bc",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 188
  },
  "hsl": {
    "h": 236.129,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46758,
    "c": 0.17951,
    "h": 274.1
  },
  "luminance": 0.09356
}

Semantic roles & 50–950 ramp

primary

#4048BC

secondary

#C9C58F

accent

#D04FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4048BC

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

Preview Lab → · Contrast checker → · Palette generator →