#4073D5#4073D5

#4073D5 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.161 H 262.0°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4073D5
RGB	rgb(64, 115, 213)
HSL	hsl(219, 64%, 54%)
HSV	hsv(219, 70%, 84%)
CMYK	cmyk(70%, 46%, 0%, 16.5%)
CIE-LAB	lab(49.68, 15.52, -55.48)
CIE-LCH	lch(49.68, 57.61, 285.63°)
OKLab	oklab(57.13% -0.0224 -0.1589)
OKLCH	oklch(57.13% 0.161 262)
XYZ	xyz(20.2510, 18.1534, 65.3746)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073D5 #D5A240

analogous

#40BED5 #4073D5 #5840D5

triadic

#4073D5 #D54073 #73D540

tetradic

#4073D5 #D540BE #D5A240 #40D558

square

#4073D5 #D540BE #D5A240 #40D558

split-complementary

#4073D5 #D55840 #BED540

monochromatic

#1C3E7F #2756B1 #4073D5 #7298E0 #A4BDEB

Accessibility & contrast

On white

4.53

#4073D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4073D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4073D5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073D5	#FFFFFF	#000000	##000000
##4073D5	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407DD9

Deuteranopia (green-blind)

#2070D3

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4073d5;
/* rgb */ color: rgb(64, 115, 213);
/* oklch */ color: oklch(57.1% 0.161 262.0);

Tailwind

colors: {
  custom: {
    50: '#869ae2',
    500: '#4073d5',
    950: '#000000',
  },
}

SCSS

$custom: #4073d5;
$custom-light: #869ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#4073d5",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 213
  },
  "hsl": {
    "h": 219.463,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57133,
    "c": 0.16051,
    "h": 262
  },
  "luminance": 0.18156
}

Semantic roles & 50–950 ramp

primary

#4073D5

secondary

#D8C299

accent

#AE41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4073D5

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

Preview Lab → · Contrast checker → · Palette generator →