#4071E0#4071E0

#4071E0 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.5% C 0.178 H 263.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4071E0
RGB	rgb(64, 113, 224)
HSL	hsl(222, 72%, 56%)
HSV	hsv(222, 71%, 88%)
CMYK	cmyk(71.4%, 49.6%, 0%, 12.2%)
CIE-LAB	lab(49.83, 20.74, -61.46)
CIE-LCH	lch(49.83, 64.87, 288.65°)
OKLab	oklab(57.47% -0.0192 -0.1766)
OKLCH	oklch(57.47% 0.178 263.8)
XYZ	xyz(21.4693, 18.2798, 72.9034)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071E0 #E0AF40

analogous

#40C1E0 #4071E0 #5F40E0

triadic

#4071E0 #E04071 #71E040

tetradic

#4071E0 #E040C1 #E0AF40 #40E05F

square

#4071E0 #E040C1 #E0AF40 #40E05F

split-complementary

#4071E0 #E05F40 #C1E040

monochromatic

#173C8E #2052C3 #4071E0 #7598E9 #A9BFF1

Accessibility & contrast

On white

4.51

#4071E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4071E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4071E0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071E0	#FFFFFF	#000000	##000000
##4071E0	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7EE4

Deuteranopia (green-blind)

#0070DE

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4071e0;
/* rgb */ color: rgb(64, 113, 224);
/* oklch */ color: oklch(57.5% 0.178 263.8);

Tailwind

colors: {
  custom: {
    50: '#8899ea',
    500: '#4071e0',
    950: '#000000',
  },
}

SCSS

$custom: #4071e0;
$custom-light: #8899ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4071e0",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 224
  },
  "hsl": {
    "h": 221.625,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57472,
    "c": 0.1776,
    "h": 263.8
  },
  "luminance": 0.18282
}

Semantic roles & 50–950 ramp

primary

#4071E0

secondary

#DFCB9D

accent

#B739EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4071E0

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

Preview Lab → · Contrast checker → · Palette generator →