#4048E0#4048E0

#4048E0 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.0% C 0.225 H 272.5°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4048E0
RGB	rgb(64, 72, 224)
HSL	hsl(237, 72%, 56%)
HSV	hsv(237, 71%, 88%)
CMYK	cmyk(71.4%, 67.9%, 0%, 12.2%)
CIE-LAB	lab(39.76, 46.17, -77.87)
CIE-LCH	lch(39.76, 90.53, 300.66°)
OKLab	oklab(49.97% 0.01 -0.2252)
OKLCH	oklch(49.97% 0.225 272.5)
XYZ	xyz(17.8817, 11.1047, 71.7076)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4048E0 #E0D840

analogous

#4098E0 #4048E0 #8840E0

triadic

#4048E0 #E04048 #48E040

tetradic

#4048E0 #E04098 #E0D840 #40E088

square

#4048E0 #E04098 #E0D840 #40E088

split-complementary

#4048E0 #E08840 #98E040

monochromatic

#171D8E #2028C3 #4048E0 #757AE9 #A9ADF1

Accessibility & contrast

On white

6.52

#4048E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4048E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4048E0

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4048E0	#FFFFFF	#000000	##FFFFFF
##4048E0	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E5

Deuteranopia (green-blind)

#0056DD

Tritanopia (blue-blind)

#00718E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4048e0;
/* rgb */ color: rgb(64, 72, 224);
/* oklch */ color: oklch(50.0% 0.225 272.5);

Tailwind

colors: {
  custom: {
    50: '#8b7ceb',
    500: '#4048e0',
    950: '#000000',
  },
}

SCSS

$custom: #4048e0;
$custom-light: #8b7ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#4048e0",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 224
  },
  "hsl": {
    "h": 237,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.49971,
    "c": 0.22541,
    "h": 272.5
  },
  "luminance": 0.11107
}

Semantic roles & 50–950 ramp

primary

#4048E0

secondary

#DFDB9D

accent

#E639EF

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4048E0

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

Preview Lab → · Contrast checker → · Palette generator →