#3777AE#3777AE

#3777AE is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.108 H 247.2°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3777AE
RGB	rgb(55, 119, 174)
HSL	hsl(208, 52%, 45%)
HSV	hsv(208, 68%, 68%)
CMYK	cmyk(68.4%, 31.6%, 0%, 31.8%)
CIE-LAB	lab(48.34, -2.33, -35.24)
CIE-LCH	lch(48.34, 35.31, 266.21°)
OKLab	oklab(55.29% -0.0418 -0.0997)
OKLCH	oklch(55.29% 0.108 247.2)
XYZ	xyz(15.8095, 17.0602, 42.4960)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3777AE #AE6E37

analogous

#37AEA9 #3777AE #373CAE

triadic

#3777AE #AE3777 #77AE37

tetradic

#3777AE #A937AE #AE6E37 #3CAE37

square

#3777AE #A937AE #AE6E37 #3CAE37

split-complementary

#3777AE #AE373C #AEA937

monochromatic

#1A3751 #28577F #3777AE #5895CA #86B3D9

Accessibility & contrast

On white

4.76

#3777AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3777AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3777AE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3777AE	#FFFFFF	#000000	##FFFFFF
##3777AE	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)

#5F79B0

Deuteranopia (green-blind)

#4E6EAD

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3777ae;
/* rgb */ color: rgb(55, 119, 174);
/* oklch */ color: oklch(55.3% 0.108 247.2);

Tailwind

colors: {
  custom: {
    50: '#7b9ec6',
    500: '#3777ae',
    950: '#000000',
  },
}

SCSS

$custom: #3777ae;
$custom-light: #7b9ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3777ae",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 174
  },
  "hsl": {
    "h": 207.731,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55293,
    "c": 0.1081,
    "h": 247.2
  },
  "luminance": 0.17062
}

Semantic roles & 50–950 ramp

primary

#3777AE

secondary

#C39E7E

accent

#8E4CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3777AE

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

Preview Lab → · Contrast checker → · Palette generator →