#3774B5#3774B5

#3774B5 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.120 H 252.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3774B5
RGB	rgb(55, 116, 181)
HSL	hsl(211, 53%, 46%)
HSV	hsv(211, 70%, 71%)
CMYK	cmyk(69.6%, 35.9%, 0%, 29%)
CIE-LAB	lab(47.80, 1.98, -40.14)
CIE-LCH	lch(47.80, 40.19, 272.83°)
OKLab	oklab(54.99% -0.0368 -0.114)
OKLCH	oklch(54.99% 0.12 252.1)
XYZ	xyz(16.1583, 16.6375, 46.0669)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B5 #B57837

analogous

#37B3B5 #3774B5 #3937B5

triadic

#3774B5 #B53774 #74B537

tetradic

#3774B5 #B537B3 #B57837 #37B539

square

#3774B5 #B537B3 #B57837 #37B539

split-complementary

#3774B5 #B53937 #B3B537

monochromatic

#1A3857 #295686 #3774B5 #5C93CD #8BB2DC

Accessibility & contrast

On white

4.85

#3774B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3774B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B5	#FFFFFF	#000000	##FFFFFF
##3774B5	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5778B8

Deuteranopia (green-blind)

#456CB4

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3774b5;
/* rgb */ color: rgb(55, 116, 181);
/* oklch */ color: oklch(55.0% 0.120 252.1);

Tailwind

colors: {
  custom: {
    50: '#7c9bcb',
    500: '#3774b5',
    950: '#000000',
  },
}

SCSS

$custom: #3774b5;
$custom-light: #7c9bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b5",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 181
  },
  "hsl": {
    "h": 210.952,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54988,
    "c": 0.11983,
    "h": 252.1
  },
  "luminance": 0.16639
}

Semantic roles & 50–950 ramp

primary

#3774B5

secondary

#C6A582

accent

#964BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B5

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

Preview Lab → · Contrast checker → · Palette generator →