#3773AA#3773AA

#3773AA is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.1% C 0.107 H 248.6°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3773AA
RGB	rgb(55, 115, 170)
HSL	hsl(209, 51%, 44%)
HSV	hsv(209, 68%, 67%)
CMYK	cmyk(67.6%, 32.4%, 0%, 33.3%)
CIE-LAB	lab(46.94, -1.34, -35.10)
CIE-LCH	lch(46.94, 35.12, 267.81°)
OKLab	oklab(54.13% -0.0389 -0.0993)
OKLCH	oklch(54.13% 0.107 248.6)
XYZ	xyz(14.9593, 15.9744, 40.3174)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773AA #AA6E37

analogous

#37AAA8 #3773AA #3739AA

triadic

#3773AA #AA3773 #73AA37

tetradic

#3773AA #A837AA #AA6E37 #39AA37

square

#3773AA #A837AA #AA6E37 #39AA37

split-complementary

#3773AA #AA3739 #AAA837

monochromatic

#19344E #28547C #3773AA #5692C8 #84B0D7

Accessibility & contrast

On white

5.01

#3773AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3773AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773AA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773AA	#FFFFFF	#000000	##FFFFFF
##3773AA	1.00	5.01	4.20	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B75AC

Deuteranopia (green-blind)

#4B6AA9

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3773aa;
/* rgb */ color: rgb(55, 115, 170);
/* oklch */ color: oklch(54.1% 0.107 248.6);

Tailwind

colors: {
  custom: {
    50: '#7a9bc3',
    500: '#3773aa',
    950: '#000000',
  },
}

SCSS

$custom: #3773aa;
$custom-light: #7a9bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3773aa",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 170
  },
  "hsl": {
    "h": 208.696,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5413,
    "c": 0.10666,
    "h": 248.6
  },
  "luminance": 0.15976
}

Semantic roles & 50–950 ramp

primary

#3773AA

secondary

#C19D7C

accent

#914DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3773AA

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

Preview Lab → · Contrast checker → · Palette generator →