#4071DF#4071DF

#4071DF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.176 H 263.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4071DF
RGB	rgb(64, 113, 223)
HSL	hsl(222, 71%, 56%)
HSV	hsv(222, 71%, 87%)
CMYK	cmyk(71.3%, 49.3%, 0%, 12.5%)
CIE-LAB	lab(49.77, 20.38, -61.00)
CIE-LCH	lch(49.77, 64.32, 288.47°)
OKLab	oklab(57.4% -0.0193 -0.1752)
OKLCH	oklch(57.4% 0.176 263.7)
XYZ	xyz(21.3340, 18.2257, 72.1913)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071DF #DFAE40

analogous

#40C1DF #4071DF #5F40DF

triadic

#4071DF #DF4071 #71DF40

tetradic

#4071DF #DF40C1 #DFAE40 #40DF5F

square

#4071DF #DF40C1 #DFAE40 #40DF5F

split-complementary

#4071DF #DF5F40 #C1DF40

monochromatic

#183C8D #2052C1 #4071DF #7498E8 #A9BFF1

Accessibility & contrast

On white

4.52

#4071DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4071DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4071DF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071DF	#FFFFFF	#000000	##000000
##4071DF	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317EE3

Deuteranopia (green-blind)

#006FDD

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4071df;
/* rgb */ color: rgb(64, 113, 223);
/* oklch */ color: oklch(57.4% 0.176 263.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4071df",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 223
  },
  "hsl": {
    "h": 221.509,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57402,
    "c": 0.17627,
    "h": 263.7
  },
  "luminance": 0.18228
}

Semantic roles & 50–950 ramp

primary

#4071DF

secondary

#DECA9D

accent

#B63AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4071DF

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

Preview Lab → · Contrast checker → · Palette generator →