#3774B4#3774B4

#3774B4 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.119 H 251.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3774B4
RGB	rgb(55, 116, 180)
HSL	hsl(211, 53%, 46%)
HSV	hsv(211, 69%, 71%)
CMYK	cmyk(69.4%, 35.6%, 0%, 29.4%)
CIE-LAB	lab(47.75, 1.63, -39.65)
CIE-LCH	lch(47.75, 39.68, 272.35°)
OKLab	oklab(54.93% -0.0371 -0.1126)
OKLCH	oklch(54.93% 0.119 251.8)
XYZ	xyz(16.0561, 16.5966, 45.5284)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B4 #B47737

analogous

#37B2B4 #3774B4 #3937B4

triadic

#3774B4 #B43774 #74B437

tetradic

#3774B4 #B437B2 #B47737 #37B439

square

#3774B4 #B437B2 #B47737 #37B439

split-complementary

#3774B4 #B43937 #B2B437

monochromatic

#1A3856 #295685 #3774B4 #5B93CD #8AB2DB

Accessibility & contrast

On white

4.86

#3774B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3774B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B4	#FFFFFF	#000000	##FFFFFF
##3774B4	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5778B7

Deuteranopia (green-blind)

#456CB3

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3774b4;
/* rgb */ color: rgb(55, 116, 180);
/* oklch */ color: oklch(54.9% 0.119 251.8);

Tailwind

colors: {
  custom: {
    50: '#7c9bcb',
    500: '#3774b4',
    950: '#000000',
  },
}

SCSS

$custom: #3774b4;
$custom-light: #7c9bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b4",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 180
  },
  "hsl": {
    "h": 210.72,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5493,
    "c": 0.11853,
    "h": 251.8
  },
  "luminance": 0.16598
}

Semantic roles & 50–950 ramp

primary

#3774B4

secondary

#C6A481

accent

#964BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B4

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

Preview Lab → · Contrast checker → · Palette generator →