#4072DF#4072DF

#4072DF is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.6% C 0.175 H 263.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4072DF
RGB	rgb(64, 114, 223)
HSL	hsl(221, 71%, 56%)
HSV	hsv(221, 71%, 87%)
CMYK	cmyk(71.3%, 48.9%, 0%, 12.5%)
CIE-LAB	lab(50.04, 19.75, -60.57)
CIE-LCH	lch(50.04, 63.71, 288.06°)
OKLab	oklab(57.61% -0.0201 -0.1739)
OKLCH	oklch(57.61% 0.175 263.4)
XYZ	xyz(21.4462, 18.4501, 72.2287)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072DF #DFAD40

analogous

#40C2DF #4072DF #5E40DF

triadic

#4072DF #DF4072 #72DF40

tetradic

#4072DF #DF40C2 #DFAD40 #40DF5E

square

#4072DF #DF40C2 #DFAD40 #40DF5E

split-complementary

#4072DF #DF5E40 #C2DF40

monochromatic

#183D8D #2053C1 #4072DF #7499E8 #A9BFF1

Accessibility & contrast

On white

4.48

#4072DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4072DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072DF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072DF	#FFFFFF	#000000	##000000
##4072DF	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347FE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4072df;
/* rgb */ color: rgb(64, 114, 223);
/* oklch */ color: oklch(57.6% 0.175 263.4);

Tailwind

colors: {
  custom: {
    50: '#8899ea',
    500: '#4072df',
    950: '#000000',
  },
}

SCSS

$custom: #4072df;
$custom-light: #8899ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4072df",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 223
  },
  "hsl": {
    "h": 221.132,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57607,
    "c": 0.17508,
    "h": 263.4
  },
  "luminance": 0.18452
}

Semantic roles & 50–950 ramp

primary

#4072DF

secondary

#DECA9D

accent

#B53AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4072DF

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

Preview Lab → · Contrast checker → · Palette generator →