#3775AB#3775AB

#3775AB is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.7% C 0.106 H 247.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3775AB
RGB	rgb(55, 117, 171)
HSL	hsl(208, 51%, 44%)
HSV	hsv(208, 68%, 67%)
CMYK	cmyk(67.8%, 31.6%, 0%, 32.9%)
CIE-LAB	lab(47.59, -2.19, -34.66)
CIE-LCH	lch(47.59, 34.73, 266.38°)
OKLab	oklab(54.66% -0.0406 -0.098)
OKLCH	oklch(54.66% 0.106 247.5)
XYZ	xyz(15.2848, 16.4735, 40.8944)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775AB #AB6D37

analogous

#37ABA7 #3775AB #373BAB

triadic

#3775AB #AB3775 #75AB37

tetradic

#3775AB #A737AB #AB6D37 #3BAB37

square

#3775AB #A737AB #AB6D37 #3BAB37

split-complementary

#3775AB #AB373B #ABA737

monochromatic

#19364E #28557D #3775AB #5694C9 #85B1D8

Accessibility & contrast

On white

4.89

#3775AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3775AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775AB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775AB	#FFFFFF	#000000	##FFFFFF
##3775AB	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D77AD

Deuteranopia (green-blind)

#4D6CAA

Tritanopia (blue-blind)

#008288

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3775ab;
/* rgb */ color: rgb(55, 117, 171);
/* oklch */ color: oklch(54.7% 0.106 247.5);

Tailwind

colors: {
  custom: {
    50: '#7b9cc4',
    500: '#3775ab',
    950: '#000000',
  },
}

SCSS

$custom: #3775ab;
$custom-light: #7b9cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3775ab",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 171
  },
  "hsl": {
    "h": 207.931,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54657,
    "c": 0.10613,
    "h": 247.5
  },
  "luminance": 0.16475
}

Semantic roles & 50–950 ramp

primary

#3775AB

secondary

#C19D7C

accent

#8F4DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3775AB

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

Preview Lab → · Contrast checker → · Palette generator →