#3775B6#3775B6

#3775B6 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.3% C 0.120 H 251.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3775B6
RGB	rgb(55, 117, 182)
HSL	hsl(211, 54%, 46%)
HSV	hsv(211, 70%, 71%)
CMYK	cmyk(69.8%, 35.7%, 0%, 28.6%)
CIE-LAB	lab(48.15, 1.73, -40.17)
CIE-LCH	lch(48.15, 40.21, 272.47°)
OKLab	oklab(55.28% -0.0375 -0.1141)
OKLCH	oklch(55.28% 0.12 251.8)
XYZ	xyz(16.3772, 16.9105, 46.6478)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775B6 #B67837

analogous

#37B5B6 #3775B6 #3937B6

triadic

#3775B6 #B63775 #75B637

tetradic

#3775B6 #B637B5 #B67837 #37B639

square

#3775B6 #B637B5 #B67837 #37B639

split-complementary

#3775B6 #B63937 #B5B637

monochromatic

#1B3958 #295787 #3775B6 #5C94CE #8BB3DC

Accessibility & contrast

On white

4.79

#3775B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3775B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775B6

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775B6	#FFFFFF	#000000	##FFFFFF
##3775B6	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5879B9

Deuteranopia (green-blind)

#466DB5

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3775b6;
/* rgb */ color: rgb(55, 117, 182);
/* oklch */ color: oklch(55.3% 0.120 251.8);

Tailwind

colors: {
  custom: {
    50: '#7c9ccc',
    500: '#3775b6',
    950: '#000000',
  },
}

SCSS

$custom: #3775b6;
$custom-light: #7c9ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3775b6",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 182
  },
  "hsl": {
    "h": 210.709,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55277,
    "c": 0.12013,
    "h": 251.8
  },
  "luminance": 0.16912
}

Semantic roles & 50–950 ramp

primary

#3775B6

secondary

#C6A582

accent

#964BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3775B6

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

Preview Lab → · Contrast checker → · Palette generator →