#3775BE#3775BE

#3775BE is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.8% C 0.131 H 254.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3775BE
RGB	rgb(55, 117, 190)
HSL	hsl(212, 55%, 48%)
HSV	hsv(212, 71%, 75%)
CMYK	cmyk(71.1%, 38.4%, 0%, 25.5%)
CIE-LAB	lab(48.57, 4.63, -44.12)
CIE-LCH	lch(48.57, 44.36, 275.99°)
OKLab	oklab(55.75% -0.0355 -0.1257)
OKLCH	oklch(55.75% 0.131 254.2)
XYZ	xyz(17.2277, 17.2507, 51.1270)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775BE #BE8037

analogous

#37B9BE #3775BE #3C37BE

triadic

#3775BE #BE3775 #75BE37

tetradic

#3775BE #BE37B9 #BE8037 #37BE3C

square

#3775BE #BE37B9 #BE8037 #37BE3C

split-complementary

#3775BE #BE3C37 #B9BE37

monochromatic

#1C3B5F #29588F #3775BE #6195D1 #90B4DF

Accessibility & contrast

On white

4.72

#3775BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3775BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775BE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775BE	#FFFFFF	#000000	##FFFFFF
##3775BE	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC1

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3775be;
/* rgb */ color: rgb(55, 117, 190);
/* oklch */ color: oklch(55.8% 0.131 254.2);

Tailwind

colors: {
  custom: {
    50: '#7e9cd2',
    500: '#3775be',
    950: '#000000',
  },
}

SCSS

$custom: #3775be;
$custom-light: #7e9cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3775be",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 190
  },
  "hsl": {
    "h": 212.444,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5575,
    "c": 0.13057,
    "h": 254.2
  },
  "luminance": 0.17253
}

Semantic roles & 50–950 ramp

primary

#3775BE

secondary

#CAAB87

accent

#9A49DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3775BE

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

Preview Lab → · Contrast checker → · Palette generator →