#3779AC#3779AC

#3779AC is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.104 H 244.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3779AC
RGB	rgb(55, 121, 172)
HSL	hsl(206, 52%, 45%)
HSV	hsv(206, 68%, 67%)
CMYK	cmyk(68%, 29.7%, 0%, 32.5%)
CIE-LAB	lab(48.84, -4.23, -33.28)
CIE-LCH	lch(48.84, 33.55, 262.76°)
OKLab	oklab(55.66% -0.0445 -0.094)
OKLCH	oklch(55.66% 0.104 244.7)
XYZ	xyz(15.8565, 17.4639, 41.5569)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3779AC #AC6A37

analogous

#37ACA5 #3779AC #373EAC

triadic

#3779AC #AC3779 #79AC37

tetradic

#3779AC #A537AC #AC6A37 #3EAC37

square

#3779AC #A537AC #AC6A37 #3EAC37

split-complementary

#3779AC #AC373E #ACA537

monochromatic

#19384F #28587E #3779AC #5797C9 #85B4D8

Accessibility & contrast

On white

4.67

#3779AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3779AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3779AC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3779AC	#FFFFFF	#000000	##FFFFFF
##3779AC	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAE

Deuteranopia (green-blind)

#526FAB

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3779ac;
/* rgb */ color: rgb(55, 121, 172);
/* oklch */ color: oklch(55.7% 0.104 244.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3779ac",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 172
  },
  "hsl": {
    "h": 206.154,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55658,
    "c": 0.10399,
    "h": 244.7
  },
  "luminance": 0.17466
}

Semantic roles & 50–950 ramp

primary

#3779AC

secondary

#C29B7D

accent

#8B4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3779AC

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

Preview Lab → · Contrast checker → · Palette generator →