#4073C4#4073C4

#4073C4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.138 H 259.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4073C4
RGB	rgb(64, 115, 196)
HSL	hsl(217, 53%, 51%)
HSV	hsv(217, 67%, 77%)
CMYK	cmyk(67.3%, 41.3%, 0%, 23.1%)
CIE-LAB	lab(48.68, 9.43, -47.38)
CIE-LCH	lch(48.68, 48.31, 281.25°)
OKLab	oklab(56.04% -0.0256 -0.1351)
OKLCH	oklch(56.04% 0.138 259.3)
XYZ	xyz(18.2053, 17.3352, 54.6004)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073C4 #C49140

analogous

#40B5C4 #4073C4 #4F40C4

triadic

#4073C4 #C44073 #73C440

tetradic

#4073C4 #C440B5 #C49140 #40C44F

square

#4073C4 #C440B5 #C49140 #40C44F

split-complementary

#4073C4 #C44F40 #B5C440

monochromatic

#203D69 #2F5798 #4073C4 #6F95D2 #9EB8E1

Accessibility & contrast

On white

4.70

#4073C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4073C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073C4

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073C4	#FFFFFF	#000000	##FFFFFF
##4073C4	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC7

Deuteranopia (green-blind)

#396EC2

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4073c4;
/* rgb */ color: rgb(64, 115, 196);
/* oklch */ color: oklch(56.0% 0.138 259.3);

Tailwind

colors: {
  custom: {
    50: '#839ad6',
    500: '#4073c4',
    950: '#000000',
  },
}

SCSS

$custom: #4073c4;
$custom-light: #839ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#4073c4",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 196
  },
  "hsl": {
    "h": 216.818,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56037,
    "c": 0.13752,
    "h": 259.3
  },
  "luminance": 0.17337
}

Semantic roles & 50–950 ramp

primary

#4073C4

secondary

#CDB793

accent

#A44CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4073C4

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

Preview Lab → · Contrast checker → · Palette generator →