#4072CB#4072CB

#4072CB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.148 H 261.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4072CB
RGB	rgb(64, 114, 203)
HSL	hsl(218, 57%, 52%)
HSV	hsv(218, 68%, 80%)
CMYK	cmyk(68.5%, 43.8%, 0%, 20.4%)
CIE-LAB	lab(48.80, 12.55, -51.19)
CIE-LCH	lch(48.80, 52.71, 283.78°)
OKLab	oklab(56.26% -0.0232 -0.1463)
OKLCH	oklch(56.26% 0.148 261)
XYZ	xyz(18.9073, 17.4345, 58.8571)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072CB #CB9940

analogous

#40B8CB #4072CB #5340CB

triadic

#4072CB #CB4072 #72CB40

tetradic

#4072CB #CB40B8 #CB9940 #40CB53

square

#4072CB #CB40B8 #CB9940 #40CB53

split-complementary

#4072CB #CB5340 #B8CB40

monochromatic

#1F3D72 #2C56A2 #4072CB #7096D8 #A0B9E5

Accessibility & contrast

On white

4.68

#4072CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4072CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4072CB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072CB	#FFFFFF	#000000	##FFFFFF
##4072CB	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477BCE

Deuteranopia (green-blind)

#2E6EC9

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4072cb;
/* rgb */ color: rgb(64, 114, 203);
/* oklch */ color: oklch(56.3% 0.148 261.0);

Tailwind

colors: {
  custom: {
    50: '#849adb',
    500: '#4072cb',
    950: '#000000',
  },
}

SCSS

$custom: #4072cb;
$custom-light: #849adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4072cb",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 203
  },
  "hsl": {
    "h": 218.417,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56263,
    "c": 0.14817,
    "h": 261
  },
  "luminance": 0.17436
}

Semantic roles & 50–950 ramp

primary

#4072CB

secondary

#D2BC95

accent

#A947E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4072CB

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

Preview Lab → · Contrast checker → · Palette generator →