#3771A4#3771A4

#3771A4 is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.3% C 0.101 H 247.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3771A4
RGB	rgb(55, 113, 164)
HSL	hsl(208, 50%, 43%)
HSV	hsv(208, 66%, 64%)
CMYK	cmyk(66.5%, 31.1%, 0%, 35.7%)
CIE-LAB	lab(46.04, -2.25, -32.99)
CIE-LCH	lch(46.04, 33.07, 266.09°)
OKLab	oklab(53.33% -0.0386 -0.0932)
OKLCH	oklch(53.33% 0.101 247.5)
XYZ	xyz(14.1790, 15.3014, 37.3210)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3771A4 #A46A37

analogous

#37A4A0 #3771A4 #373BA4

triadic

#3771A4 #A43771 #71A437

tetradic

#3771A4 #A037A4 #A46A37 #3BA437

square

#3771A4 #A037A4 #A46A37 #3BA437

split-complementary

#3771A4 #A4373B #A4A037

monochromatic

#183248 #285176 #3771A4 #5390C5 #81ADD5

Accessibility & contrast

On white

5.17

#3771A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3771A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3771A4

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3771A4	#FFFFFF	#000000	##FFFFFF
##3771A4	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B73A6

Deuteranopia (green-blind)

#4C68A3

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3771a4;
/* rgb */ color: rgb(55, 113, 164);
/* oklch */ color: oklch(53.3% 0.101 247.5);

Tailwind

colors: {
  custom: {
    50: '#7999bf',
    500: '#3771a4',
    950: '#000000',
  },
}

SCSS

$custom: #3771a4;
$custom-light: #7999bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3771a4",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 164
  },
  "hsl": {
    "h": 208.073,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53328,
    "c": 0.10089,
    "h": 247.5
  },
  "luminance": 0.15303
}

Semantic roles & 50–950 ramp

primary

#3771A4

secondary

#BE9979

accent

#8F4FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3771A4

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

Preview Lab → · Contrast checker → · Palette generator →