#4071D8#4071D8

#4071D8 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.167 H 263.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4071D8
RGB	rgb(64, 113, 216)
HSL	hsl(221, 66%, 55%)
HSV	hsv(221, 70%, 85%)
CMYK	cmyk(70.4%, 47.7%, 0%, 15.3%)
CIE-LAB	lab(49.32, 17.86, -57.76)
CIE-LCH	lch(49.32, 60.46, 287.18°)
OKLab	oklab(56.92% -0.0202 -0.1657)
OKLCH	oklch(56.92% 0.167 263)
XYZ	xyz(20.4098, 17.8560, 67.3234)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071D8 #D8A740

analogous

#40BDD8 #4071D8 #5B40D8

triadic

#4071D8 #D84071 #71D840

tetradic

#4071D8 #D840BD #D8A740 #40D85B

square

#4071D8 #D840BD #D8A740 #40D85B

split-complementary

#4071D8 #D85B40 #BDD840

monochromatic

#1B3C83 #2554B6 #4071D8 #7397E2 #A6BDED

Accessibility & contrast

On white

4.59

#4071D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4071D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4071D8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071D8	#FFFFFF	#000000	##FFFFFF
##4071D8	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397DDC

Deuteranopia (green-blind)

#0E6FD6

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4071d8;
/* rgb */ color: rgb(64, 113, 216);
/* oklch */ color: oklch(56.9% 0.167 263.0);

Tailwind

colors: {
  custom: {
    50: '#8799e5',
    500: '#4071d8',
    950: '#000000',
  },
}

SCSS

$custom: #4071d8;
$custom-light: #8799e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4071d8",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 216
  },
  "hsl": {
    "h": 220.658,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56917,
    "c": 0.16691,
    "h": 263
  },
  "luminance": 0.17858
}

Semantic roles & 50–950 ramp

primary

#4071D8

secondary

#DAC59A

accent

#B23FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #4071D8

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

Preview Lab → · Contrast checker → · Palette generator →