#3774B3#3774B3

#3774B3 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.117 H 251.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3774B3
RGB	rgb(55, 116, 179)
HSL	hsl(210, 53%, 46%)
HSV	hsv(210, 69%, 70%)
CMYK	cmyk(69.3%, 35.2%, 0%, 29.8%)
CIE-LAB	lab(47.70, 1.27, -39.15)
CIE-LCH	lch(47.70, 39.17, 271.85°)
OKLab	oklab(54.87% -0.0373 -0.1111)
OKLCH	oklch(54.87% 0.117 251.4)
XYZ	xyz(15.9546, 16.5560, 44.9939)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B3 #B37637

analogous

#37B2B3 #3774B3 #3837B3

triadic

#3774B3 #B33774 #74B337

tetradic

#3774B3 #B337B2 #B37637 #37B338

square

#3774B3 #B337B2 #B37637 #37B338

split-complementary

#3774B3 #B33837 #B2B337

monochromatic

#1A3755 #295684 #3774B3 #5B93CD #8AB2DB

Accessibility & contrast

On white

4.87

#3774B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3774B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B3

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B3	#FFFFFF	#000000	##FFFFFF
##3774B3	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3774b3;
/* rgb */ color: rgb(55, 116, 179);
/* oklch */ color: oklch(54.9% 0.117 251.4);

Tailwind

colors: {
  custom: {
    50: '#7c9bca',
    500: '#3774b3',
    950: '#000000',
  },
}

SCSS

$custom: #3774b3;
$custom-light: #7c9bca;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b3",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 179
  },
  "hsl": {
    "h": 210.484,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.11723,
    "h": 251.4
  },
  "luminance": 0.16558
}

Semantic roles & 50–950 ramp

primary

#3774B3

secondary

#C5A381

accent

#954BDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B3

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

Preview Lab → · Contrast checker → · Palette generator →