#4072E7#4072E7

#4072E7 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.2% C 0.186 H 264.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4072E7
RGB	rgb(64, 114, 231)
HSL	hsl(222, 78%, 58%)
HSV	hsv(222, 72%, 91%)
CMYK	cmyk(72.3%, 50.6%, 0%, 9.4%)
CIE-LAB	lab(50.56, 22.64, -64.23)
CIE-LCH	lch(50.56, 68.10, 289.41°)
OKLab	oklab(58.17% -0.0192 -0.1847)
OKLCH	oklch(58.17% 0.186 264.1)
XYZ	xyz(22.5504, 18.8917, 78.0438)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4072E7 #E7B540

analogous

#40C5E7 #4072E7 #6140E7

triadic

#4072E7 #E74072 #72E740

tetradic

#4072E7 #E740C5 #E7B540 #40E761

square

#4072E7 #E740C5 #E7B540 #40E761

split-complementary

#4072E7 #E76140 #C5E740

monochromatic

#133B99 #1A50D0 #4072E7 #769AEE #ADC2F5

Accessibility & contrast

On white

4.39

#4072E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4072E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4072E7

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4072E7	#FFFFFF	#000000	##000000
##4072E7	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2880EB

Deuteranopia (green-blind)

#0071E5

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4072e7;
/* rgb */ color: rgb(64, 114, 231);
/* oklch */ color: oklch(58.2% 0.186 264.1);

Tailwind

colors: {
  custom: {
    50: '#8999ef',
    500: '#4072e7',
    950: '#000000',
  },
}

SCSS

$custom: #4072e7;
$custom-light: #8999ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4072e7",
  "rgb": {
    "r": 64,
    "g": 114,
    "b": 231
  },
  "hsl": {
    "h": 222.036,
    "s": 77.674,
    "l": 57.843
  },
  "oklch": {
    "l": 0.58173,
    "c": 0.18569,
    "h": 264.1
  },
  "luminance": 0.18894
}

Semantic roles & 50–950 ramp

primary

#4072E7

secondary

#E3CFA0

accent

#BB34F4

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #4072E7

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

Preview Lab → · Contrast checker → · Palette generator →