#3774B8#3774B8

#3774B8 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.124 H 253.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3774B8
RGB	rgb(55, 116, 184)
HSL	hsl(212, 54%, 47%)
HSV	hsv(212, 70%, 72%)
CMYK	cmyk(70.1%, 37%, 0%, 27.8%)
CIE-LAB	lab(47.96, 3.07, -41.63)
CIE-LCH	lch(47.96, 41.74, 274.21°)
OKLab	oklab(55.16% -0.036 -0.1184)
OKLCH	oklch(55.16% 0.124 253.1)
XYZ	xyz(16.4695, 16.7619, 47.7055)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B8 #B87B37

analogous

#37B5B8 #3774B8 #3B37B8

triadic

#3774B8 #B83774 #74B837

tetradic

#3774B8 #B837B5 #B87B37 #37B83B

square

#3774B8 #B837B5 #B87B37 #37B83B

split-complementary

#3774B8 #B83B37 #B5B837

monochromatic

#1B395A #295689 #3774B8 #5D93CF #8DB3DD

Accessibility & contrast

On white

4.82

#3774B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3774B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B8

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B8	#FFFFFF	#000000	##FFFFFF
##3774B8	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5578BB

Deuteranopia (green-blind)

#426CB7

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3774b8;
/* rgb */ color: rgb(55, 116, 184);
/* oklch */ color: oklch(55.2% 0.124 253.1);

Tailwind

colors: {
  custom: {
    50: '#7d9bcd',
    500: '#3774b8',
    950: '#000000',
  },
}

SCSS

$custom: #3774b8;
$custom-light: #7d9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b8",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 184
  },
  "hsl": {
    "h": 211.628,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.12375,
    "h": 253.1
  },
  "luminance": 0.16764
}

Semantic roles & 50–950 ramp

primary

#3774B8

secondary

#C7A784

accent

#984ADD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B8

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

Preview Lab → · Contrast checker → · Palette generator →