#3779AD#3779AD

#3779AD is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.105 H 245.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3779AD
RGB	rgb(55, 121, 173)
HSL	hsl(206, 52%, 45%)
HSV	hsv(206, 68%, 68%)
CMYK	cmyk(68.2%, 30.1%, 0%, 32.2%)
CIE-LAB	lab(48.89, -3.88, -33.79)
CIE-LCH	lch(48.89, 34.01, 263.45°)
OKLab	oklab(55.71% -0.0442 -0.0954)
OKLCH	oklch(55.71% 0.105 245.2)
XYZ	xyz(15.9529, 17.5024, 42.0646)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779AD #AD6B37

analogous

#37ADA6 #3779AD #373EAD

triadic

#3779AD #AD3779 #79AD37

tetradic

#3779AD #A637AD #AD6B37 #3EAD37

square

#3779AD #A637AD #AD6B37 #3EAD37

split-complementary

#3779AD #AD373E #ADA637

monochromatic

#193850 #28597F #3779AD #5797CA #86B4D8

Accessibility & contrast

On white

4.67

#3779AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3779AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3779AD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779AD	#FFFFFF	#000000	##FFFFFF
##3779AD	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAF

Deuteranopia (green-blind)

#526FAC

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3779ad;
/* rgb */ color: rgb(55, 121, 173);
/* oklch */ color: oklch(55.7% 0.105 245.2);

Tailwind

colors: {
  custom: {
    50: '#7b9fc5',
    500: '#3779ad',
    950: '#000000',
  },
}

SCSS

$custom: #3779ad;
$custom-light: #7b9fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3779ad",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 173
  },
  "hsl": {
    "h": 206.441,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55711,
    "c": 0.10518,
    "h": 245.2
  },
  "luminance": 0.17504
}

Semantic roles & 50–950 ramp

primary

#3779AD

secondary

#C29C7D

accent

#8B4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3779AD

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

Preview Lab → · Contrast checker → · Palette generator →