#3775B5#3775B5

#3775B5 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 55.2% C 0.119 H 251.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3775B5
RGB	rgb(55, 117, 181)
HSL	hsl(210, 53%, 46%)
HSV	hsv(210, 70%, 71%)
CMYK	cmyk(69.6%, 35.4%, 0%, 29%)
CIE-LAB	lab(48.09, 1.37, -39.68)
CIE-LCH	lch(48.09, 39.70, 271.98°)
OKLab	oklab(55.22% -0.0378 -0.1127)
OKLCH	oklch(55.22% 0.119 251.5)
XYZ	xyz(16.2742, 16.8693, 46.1055)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775B5 #B57737

analogous

#37B4B5 #3775B5 #3837B5

triadic

#3775B5 #B53775 #75B537

tetradic

#3775B5 #B537B4 #B57737 #37B538

square

#3775B5 #B537B4 #B57737 #37B538

split-complementary

#3775B5 #B53837 #B4B537

monochromatic

#1A3857 #295786 #3775B5 #5C94CD #8BB3DC

Accessibility & contrast

On white

4.80

#3775B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3775B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775B5

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775B5	#FFFFFF	#000000	##FFFFFF
##3775B5	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5879B8

Deuteranopia (green-blind)

#466DB4

Tritanopia (blue-blind)

#00848C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3775b5;
/* rgb */ color: rgb(55, 117, 181);
/* oklch */ color: oklch(55.2% 0.119 251.5);

Tailwind

colors: {
  custom: {
    50: '#7c9ccb',
    500: '#3775b5',
    950: '#000000',
  },
}

SCSS

$custom: #3775b5;
$custom-light: #7c9ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3775b5",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 181
  },
  "hsl": {
    "h": 210.476,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55219,
    "c": 0.11883,
    "h": 251.5
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#3775B5

secondary

#C6A482

accent

#954BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3775B5

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

Preview Lab → · Contrast checker → · Palette generator →