#3774BD#3774BD

#3774BD is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.130 H 254.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3774BD
RGB	rgb(55, 116, 189)
HSL	hsl(213, 55%, 48%)
HSV	hsv(213, 71%, 74%)
CMYK	cmyk(70.9%, 38.6%, 0%, 25.9%)
CIE-LAB	lab(48.23, 4.88, -44.09)
CIE-LCH	lch(48.23, 44.36, 276.32°)
OKLab	oklab(55.46% -0.0348 -0.1256)
OKLCH	oklch(55.46% 0.13 254.5)
XYZ	xyz(17.0029, 16.9753, 50.5147)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774BD #BD8037

analogous

#37B7BD #3774BD #3D37BD

triadic

#3774BD #BD3774 #74BD37

tetradic

#3774BD #BD37B7 #BD8037 #37BD3D

square

#3774BD #BD37B7 #BD8037 #37BD3D

split-complementary

#3774BD #BD3D37 #B7BD37

monochromatic

#1B3A5E #29578E #3774BD #6094D1 #90B4DF

Accessibility & contrast

On white

4.78

#3774BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3774BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774BD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774BD	#FFFFFF	#000000	##FFFFFF
##3774BD	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C0

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3774bd;
/* rgb */ color: rgb(55, 116, 189);
/* oklch */ color: oklch(55.5% 0.130 254.5);

Tailwind

colors: {
  custom: {
    50: '#7e9bd1',
    500: '#3774bd',
    950: '#000000',
  },
}

SCSS

$custom: #3774bd;
$custom-light: #7e9bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3774bd",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 189
  },
  "hsl": {
    "h": 212.687,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55463,
    "c": 0.13031,
    "h": 254.5
  },
  "luminance": 0.16977
}

Semantic roles & 50–950 ramp

primary

#3774BD

secondary

#C9AB86

accent

#9B4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3774BD

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

Preview Lab → · Contrast checker → · Palette generator →