#3774BF#3774BF

#3774BF is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.133 H 255.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3774BF
RGB	rgb(55, 116, 191)
HSL	hsl(213, 55%, 48%)
HSV	hsv(213, 71%, 75%)
CMYK	cmyk(71.2%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.34, 5.61, -45.07)
CIE-LCH	lch(48.34, 45.41, 277.09°)
OKLab	oklab(55.58% -0.0343 -0.1285)
OKLCH	oklch(55.58% 0.133 255.1)
XYZ	xyz(17.2215, 17.0627, 51.6659)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3774BF #BF8237

analogous

#37B8BF #3774BF #3E37BF

triadic

#3774BF #BF3774 #74BF37

tetradic

#3774BF #BF37B8 #BF8237 #37BF3E

square

#3774BF #BF37B8 #BF8237 #37BF3E

split-complementary

#3774BF #BF3E37 #B8BF37

monochromatic

#1C3A60 #29578F #3774BF #6294D2 #91B4DF

Accessibility & contrast

On white

4.76

#3774BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3774BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3774BF	#FFFFFF	#000000	##FFFFFF
##3774BF	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#3C6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3774bf;
/* rgb */ color: rgb(55, 116, 191);
/* oklch */ color: oklch(55.6% 0.133 255.1);

Tailwind

colors: {
  custom: {
    50: '#7e9bd3',
    500: '#3774bf',
    950: '#000000',
  },
}

SCSS

$custom: #3774bf;
$custom-light: #7e9bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3774bf",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 213.088,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55585,
    "c": 0.13296,
    "h": 255.1
  },
  "luminance": 0.17065
}

Semantic roles & 50–950 ramp

primary

#3774BF

secondary

#CAAC88

accent

#9C49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3774BF

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

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