#3774B9#3774B9

#3774B9 is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.2% C 0.125 H 253.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3774B9
RGB	rgb(55, 116, 185)
HSL	hsl(212, 54%, 47%)
HSV	hsv(212, 70%, 73%)
CMYK	cmyk(70.3%, 37.3%, 0%, 27.5%)
CIE-LAB	lab(48.01, 3.43, -42.12)
CIE-LCH	lch(48.01, 42.26, 274.65°)
OKLab	oklab(55.22% -0.0357 -0.1198)
OKLCH	oklch(55.22% 0.125 253.4)
XYZ	xyz(16.5747, 16.8040, 48.2595)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774B9 #B97C37

analogous

#37B5B9 #3774B9 #3B37B9

triadic

#3774B9 #B93774 #74B937

tetradic

#3774B9 #B937B5 #B97C37 #37B93B

square

#3774B9 #B937B5 #B97C37 #37B93B

split-complementary

#3774B9 #B93B37 #B5B937

monochromatic

#1B395B #29568A #3774B9 #5E93CF #8DB3DD

Accessibility & contrast

On white

4.82

#3774B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3774B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774B9	#FFFFFF	#000000	##FFFFFF
##3774B9	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BC

Deuteranopia (green-blind)

#426CB8

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3774b9;
/* rgb */ color: rgb(55, 116, 185);
/* oklch */ color: oklch(55.2% 0.125 253.4);

Tailwind

colors: {
  custom: {
    50: '#7d9bce',
    500: '#3774b9',
    950: '#000000',
  },
}

SCSS

$custom: #3774b9;
$custom-light: #7d9bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3774b9",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 185
  },
  "hsl": {
    "h": 211.846,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55223,
    "c": 0.12505,
    "h": 253.4
  },
  "luminance": 0.16806
}

Semantic roles & 50–950 ramp

primary

#3774B9

secondary

#C8A884

accent

#984ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3774B9

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

Preview Lab → · Contrast checker → · Palette generator →