#4075D8#4075D8

#4075D8 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.8% C 0.162 H 261.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4075D8
RGB	rgb(64, 117, 216)
HSL	hsl(219, 66%, 55%)
HSV	hsv(219, 70%, 85%)
CMYK	cmyk(70.4%, 45.8%, 0%, 15.3%)
CIE-LAB	lab(50.41, 15.36, -56.00)
CIE-LCH	lch(50.41, 58.07, 285.33°)
OKLab	oklab(57.76% -0.0237 -0.1604)
OKLCH	oklch(57.76% 0.162 261.6)
XYZ	xyz(20.8659, 18.7682, 67.4754)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075D8 #D8A340

analogous

#40C1D8 #4075D8 #5740D8

triadic

#4075D8 #D84075 #75D840

tetradic

#4075D8 #D840C1 #D8A340 #40D857

square

#4075D8 #D840C1 #D8A340 #40D857

split-complementary

#4075D8 #D85740 #C1D840

monochromatic

#1B3F83 #2558B6 #4075D8 #739AE2 #A6BEED

Accessibility & contrast

On white

4.42

#4075D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4075D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075D8

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075D8	#FFFFFF	#000000	##000000
##4075D8	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#427FDC

Deuteranopia (green-blind)

#2171D6

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4075d8;
/* rgb */ color: rgb(64, 117, 216);
/* oklch */ color: oklch(57.8% 0.162 261.6);

Tailwind

colors: {
  custom: {
    50: '#869ce5',
    500: '#4075d8',
    950: '#000000',
  },
}

SCSS

$custom: #4075d8;
$custom-light: #869ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#4075d8",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 216
  },
  "hsl": {
    "h": 219.079,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57756,
    "c": 0.16219,
    "h": 261.6
  },
  "luminance": 0.1877
}

Semantic roles & 50–950 ramp

primary

#4075D8

secondary

#DAC49A

accent

#AE3FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #4075D8

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

Preview Lab → · Contrast checker → · Palette generator →