#4072BC#4072BC

#4072BC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.3% C 0.128 H 258.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4072BC
RGB	rgb(64, 114, 188)
HSL	hsl(216, 49%, 49%)
HSV	hsv(216, 66%, 74%)
CMYK	cmyk(66%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(47.95, 7.20, -43.94)
CIE-LCH	lch(47.95, 44.52, 279.31°)
OKLab	oklab(55.33% -0.0263 -0.125)
OKLCH	oklch(55.33% 0.128 258.1)
XYZ	xyz(17.2055, 16.7538, 49.8943)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072BC #BC8A40

analogous

#40B0BC #4072BC #4C40BC

triadic

#4072BC #BC4072 #72BC40

tetradic

#4072BC #BC40B0 #BC8A40 #40BC4C

square

#4072BC #BC40B0 #BC8A40 #40BC4C

split-complementary

#4072BC #BC4C40 #B0BC40

monochromatic

#213B61 #30568E #4072BC #6C93CD #9AB5DD

Accessibility & contrast

On white

4.83

#4072BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4072BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4072BC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072BC	#FFFFFF	#000000	##FFFFFF
##4072BC	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3F6CBA

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4072bc;
/* rgb */ color: rgb(64, 114, 188);
/* oklch */ color: oklch(55.3% 0.128 258.1);

Tailwind

colors: {
  custom: {
    50: '#819ad0',
    500: '#4072bc',
    950: '#000000',
  },
}

SCSS

$custom: #4072bc;
$custom-light: #819ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4072bc",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 215.806,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55325,
    "c": 0.12778,
    "h": 258.1
  },
  "luminance": 0.16755
}

Semantic roles & 50–950 ramp

primary

#4072BC

secondary

#C9B18F

accent

#A14FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4072BC

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

Preview Lab → · Contrast checker → · Palette generator →