#3774BC#3774BC

#3774BC is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.129 H 254.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3774BC
RGB	rgb(55, 116, 188)
HSL	hsl(212, 55%, 48%)
HSV	hsv(212, 71%, 74%)
CMYK	cmyk(70.7%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.17, 4.52, -43.60)
CIE-LCH	lch(48.17, 43.83, 275.92°)
OKLab	oklab(55.4% -0.035 -0.1242)
OKLCH	oklch(55.4% 0.129 254.3)
XYZ	xyz(16.8947, 16.9320, 49.9450)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774BC #BC7F37

analogous

#37B7BC #3774BC #3C37BC

triadic

#3774BC #BC3774 #74BC37

tetradic

#3774BC #BC37B7 #BC7F37 #37BC3C

square

#3774BC #BC37B7 #BC7F37 #37BC3C

split-complementary

#3774BC #BC3C37 #B7BC37

monochromatic

#1B3A5D #29578D #3774BC #6093D0 #8FB3DE

Accessibility & contrast

On white

4.79

#3774BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3774BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774BC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774BC	#FFFFFF	#000000	##FFFFFF
##3774BC	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3774bc;
/* rgb */ color: rgb(55, 116, 188);
/* oklch */ color: oklch(55.4% 0.129 254.3);

Tailwind

colors: {
  custom: {
    50: '#7e9bd0',
    500: '#3774bc',
    950: '#000000',
  },
}

SCSS

$custom: #3774bc;
$custom-light: #7e9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3774bc",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 212.481,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55403,
    "c": 0.129,
    "h": 254.3
  },
  "luminance": 0.16934
}

Semantic roles & 50–950 ramp

primary

#3774BC

secondary

#C9AA86

accent

#9A4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3774BC

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

Preview Lab → · Contrast checker → · Palette generator →