#3779BE#3779BE

#3779BE is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.126 H 251.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3779BE
RGB	rgb(55, 121, 190)
HSL	hsl(211, 55%, 48%)
HSV	hsv(211, 71%, 75%)
CMYK	cmyk(71.1%, 36.3%, 0%, 25.5%)
CIE-LAB	lab(49.74, 2.18, -42.26)
CIE-LCH	lch(49.74, 42.32, 272.95°)
OKLab	oklab(56.66% -0.0393 -0.1202)
OKLCH	oklch(56.66% 0.126 251.9)
XYZ	xyz(17.7037, 18.2028, 51.2857)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779BE #BE7C37

analogous

#37BCBE #3779BE #3937BE

triadic

#3779BE #BE3779 #79BE37

tetradic

#3779BE #BE37BC #BE7C37 #37BE39

square

#3779BE #BE37BC #BE7C37 #37BE39

split-complementary

#3779BE #BE3937 #BCBE37

monochromatic

#1C3D5F #295B8F #3779BE #6198D1 #90B7DF

Accessibility & contrast

On white

4.52

#3779BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3779BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3779BE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779BE	#FFFFFF	#000000	##000000
##3779BE	1.00	4.52	4.64	4.64
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC1

Deuteranopia (green-blind)

#4671BD

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3779be;
/* rgb */ color: rgb(55, 121, 190);
/* oklch */ color: oklch(56.7% 0.126 251.9);

Tailwind

colors: {
  custom: {
    50: '#7e9fd2',
    500: '#3779be',
    950: '#000000',
  },
}

SCSS

$custom: #3779be;
$custom-light: #7e9fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3779be",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 190
  },
  "hsl": {
    "h": 210.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.12645,
    "h": 251.9
  },
  "luminance": 0.18205
}

Semantic roles & 50–950 ramp

primary

#3779BE

secondary

#CAA987

accent

#9649DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3779BE

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

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