#4073B2#4073B2

#4073B2 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.113 H 254.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4073B2
RGB	rgb(64, 115, 178)
HSL	hsl(213, 47%, 47%)
HSV	hsv(213, 64%, 70%)
CMYK	cmyk(64%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(47.71, 3.07, -38.53)
CIE-LCH	lch(47.71, 38.65, 274.56°)
OKLab	oklab(54.96% -0.0298 -0.1092)
OKLCH	oklch(54.96% 0.113 254.7)
XYZ	xyz(16.2781, 16.5643, 44.4502)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073B2 #B27F40

analogous

#40ACB2 #4073B2 #4640B2

triadic

#4073B2 #B24073 #73B240

tetradic

#4073B2 #B240AC #B27F40 #40B246

square

#4073B2 #B240AC #B27F40 #40B246

split-complementary

#4073B2 #B24640 #ACB240

monochromatic

#203958 #305685 #4073B2 #6792C8 #94B3D8

Accessibility & contrast

On white

4.87

#4073B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4073B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073B2

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073B2	#FFFFFF	#000000	##FFFFFF
##4073B2	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B5

Deuteranopia (green-blind)

#486CB1

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4073b2;
/* rgb */ color: rgb(64, 115, 178);
/* oklch */ color: oklch(55.0% 0.113 254.7);

Tailwind

colors: {
  custom: {
    50: '#809ac9',
    500: '#4073b2',
    950: '#000000',
  },
}

SCSS

$custom: #4073b2;
$custom-light: #809ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#4073b2",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 213.158,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54963,
    "c": 0.11321,
    "h": 254.7
  },
  "luminance": 0.16566
}

Semantic roles & 50–950 ramp

primary

#4073B2

secondary

#C4AA8A

accent

#9B51D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4073B2

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

Preview Lab → · Contrast checker → · Palette generator →