#4075D1#4075D1

#4075D1 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.153 H 260.6°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4075D1
RGB	rgb(64, 117, 209)
HSL	hsl(218, 61%, 54%)
HSV	hsv(218, 69%, 82%)
CMYK	cmyk(69.4%, 44%, 0%, 18%)
CIE-LAB	lab(49.99, 12.84, -52.71)
CIE-LCH	lch(49.99, 54.25, 283.69°)
OKLab	oklab(57.3% -0.0249 -0.1507)
OKLCH	oklch(57.3% 0.153 260.6)
XYZ	xyz(19.9801, 18.4139, 62.8105)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075D1 #D19C40

analogous

#40BDD1 #4075D1 #5340D1

triadic

#4075D1 #D14075 #75D140

tetradic

#4075D1 #D140BD #D19C40 #40D153

square

#4075D1 #D140BD #D19C40 #40D153

split-complementary

#4075D1 #D15340 #BDD140

monochromatic

#1D3F79 #2958AB #4075D1 #7199DD #A3BCE9

Accessibility & contrast

On white

4.48

#4075D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4075D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075D1

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075D1	#FFFFFF	#000000	##000000
##4075D1	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ED5

Deuteranopia (green-blind)

#2D71CF

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4075d1;
/* rgb */ color: rgb(64, 117, 209);
/* oklch */ color: oklch(57.3% 0.153 260.6);

Tailwind

colors: {
  custom: {
    50: '#859ce0',
    500: '#4075d1',
    950: '#000000',
  },
}

SCSS

$custom: #4075d1;
$custom-light: #859ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#4075d1",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 218.069,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57296,
    "c": 0.15279,
    "h": 260.6
  },
  "luminance": 0.18416
}

Semantic roles & 50–950 ramp

primary

#4075D1

secondary

#D5BF97

accent

#AA44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4075D1

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

Preview Lab → · Contrast checker → · Palette generator →