#4073AB#4073AB

#4073AB is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.104 H 252.2°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4073AB
RGB	rgb(64, 115, 171)
HSL	hsl(211, 46%, 46%)
HSV	hsv(211, 63%, 67%)
CMYK	cmyk(62.6%, 32.7%, 0%, 32.9%)
CIE-LAB	lab(47.35, 0.64, -35.01)
CIE-LCH	lch(47.35, 35.02, 271.05°)
OKLab	oklab(54.57% -0.0317 -0.0989)
OKLCH	oklch(54.57% 0.104 252.2)
XYZ	xyz(15.5931, 16.2903, 40.8428)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073AB #AB7840

analogous

#40A8AB #4073AB #4240AB

triadic

#4073AB #AB4073 #73AB40

tetradic

#4073AB #AB40A8 #AB7840 #40AB42

square

#4073AB #AB40A8 #AB7840 #40AB42

split-complementary

#4073AB #AB4240 #A8AB40

monochromatic

#1F3752 #2F557E #4073AB #6392C5 #90B1D5

Accessibility & contrast

On white

4.93

#4073AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4073AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073AB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073AB	#FFFFFF	#000000	##FFFFFF
##4073AB	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B76AD

Deuteranopia (green-blind)

#4D6CAA

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4073ab;
/* rgb */ color: rgb(64, 115, 171);
/* oklch */ color: oklch(54.6% 0.104 252.2);

Tailwind

colors: {
  custom: {
    50: '#7f9bc4',
    500: '#4073ab',
    950: '#000000',
  },
}

SCSS

$custom: #4073ab;
$custom-light: #7f9bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4073ab",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 171
  },
  "hsl": {
    "h": 211.402,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5457,
    "c": 0.10392,
    "h": 252.2
  },
  "luminance": 0.16292
}

Semantic roles & 50–950 ramp

primary

#4073AB

secondary

#C1A586

accent

#9753D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4073AB

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

Preview Lab → · Contrast checker → · Palette generator →