#4048CC#4048CC

#4048CC is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.1% C 0.200 H 273.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4048CC
RGB	rgb(64, 72, 204)
HSL	hsl(237, 58%, 53%)
HSV	hsv(237, 69%, 80%)
CMYK	cmyk(68.6%, 64.7%, 0%, 20%)
CIE-LAB	lab(37.99, 39.43, -69.27)
CIE-LCH	lch(37.99, 79.71, 299.65°)
OKLab	oklab(48.15% 0.0119 -0.2)
OKLCH	oklch(48.15% 0.2 273.4)
XYZ	xyz(15.3272, 10.0829, 58.2535)
Luminance	0.1008 (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

#4048CC #CCC440

analogous

#408ECC #4048CC #7E40CC

triadic

#4048CC #CC4048 #48CC40

tetradic

#4048CC #CC408E #CCC440 #40CC7E

square

#4048CC #CC408E #CCC440 #40CC7E

split-complementary

#4048CC #CC7E40 #8ECC40

monochromatic

#1F2373 #2C32A3 #4048CC #7076D9 #A1A5E6

Accessibility & contrast

On white

6.96

#4048CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4048CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4048CC

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048CC	#FFFFFF	#000000	##FFFFFF
##4048CC	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D0

Deuteranopia (green-blind)

#0053C9

Tritanopia (blue-blind)

#006A83

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4048cc;
/* rgb */ color: rgb(64, 72, 204);
/* oklch */ color: oklch(48.1% 0.200 273.4);

Tailwind

colors: {
  custom: {
    50: '#877bdd',
    500: '#4048cc',
    950: '#000000',
  },
}

SCSS

$custom: #4048cc;
$custom-light: #877bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4048cc",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 204
  },
  "hsl": {
    "h": 236.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48148,
    "c": 0.20038,
    "h": 273.4
  },
  "luminance": 0.10084
}

Semantic roles & 50–950 ramp

primary

#4048CC

secondary

#D2CF95

accent

#D847E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4048CC

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

Preview Lab → · Contrast checker → · Palette generator →