#3774B7#3774B7

#3774B7 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.122 H 252.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3774B7
RGB	rgb(55, 116, 183)
HSL	hsl(211, 54%, 47%)
HSV	hsv(211, 70%, 72%)
CMYK	cmyk(69.9%, 36.6%, 0%, 28.2%)
CIE-LAB	lab(47.91, 2.71, -41.13)
CIE-LCH	lch(47.91, 41.22, 273.76°)
OKLab	oklab(55.11% -0.0363 -0.1169)
OKLCH	oklch(55.11% 0.122 252.8)
XYZ	xyz(16.3650, 16.7202, 47.1554)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B7 #B77A37

analogous

#37B4B7 #3774B7 #3A37B7

triadic

#3774B7 #B73774 #74B737

tetradic

#3774B7 #B737B4 #B77A37 #37B73A

square

#3774B7 #B737B4 #B77A37 #37B73A

split-complementary

#3774B7 #B73A37 #B4B737

monochromatic

#1B3859 #295688 #3774B7 #5D93CE #8CB2DC

Accessibility & contrast

On white

4.83

#3774B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3774B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B7

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B7	#FFFFFF	#000000	##FFFFFF
##3774B7	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5678BA

Deuteranopia (green-blind)

#436CB6

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3774b7;
/* rgb */ color: rgb(55, 116, 183);
/* oklch */ color: oklch(55.1% 0.122 252.8);

Tailwind

colors: {
  custom: {
    50: '#7d9bcd',
    500: '#3774b7',
    950: '#000000',
  },
}

SCSS

$custom: #3774b7;
$custom-light: #7d9bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b7",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 183
  },
  "hsl": {
    "h": 211.406,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55105,
    "c": 0.12244,
    "h": 252.8
  },
  "luminance": 0.16722
}

Semantic roles & 50–950 ramp

primary

#3774B7

secondary

#C7A683

accent

#974BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B7

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

Preview Lab → · Contrast checker → · Palette generator →