#3773B2#3773B2

#3773B2 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.117 H 251.8°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3773B2
RGB	rgb(55, 115, 178)
HSL	hsl(211, 53%, 46%)
HSV	hsv(211, 69%, 70%)
CMYK	cmyk(69.1%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(47.35, 1.52, -39.12)
CIE-LCH	lch(47.35, 39.15, 272.22°)
OKLab	oklab(54.58% -0.0366 -0.1111)
OKLCH	oklch(54.58% 0.117 251.8)
XYZ	xyz(15.7392, 16.2864, 44.4250)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773B2 #B27637

analogous

#37B0B2 #3773B2 #3837B2

triadic

#3773B2 #B23773 #73B237

tetradic

#3773B2 #B237B0 #B27637 #37B238

square

#3773B2 #B237B0 #B27637 #37B238

split-complementary

#3773B2 #B23837 #B0B237

monochromatic

#1A3754 #295583 #3773B2 #5A92CC #89B1DB

Accessibility & contrast

On white

4.93

#3773B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3773B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773B2

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773B2	#FFFFFF	#000000	##FFFFFF
##3773B2	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B5

Deuteranopia (green-blind)

#456BB1

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3773b2;
/* rgb */ color: rgb(55, 115, 178);
/* oklch */ color: oklch(54.6% 0.117 251.8);

Tailwind

colors: {
  custom: {
    50: '#7c9ac9',
    500: '#3773b2',
    950: '#000000',
  },
}

SCSS

$custom: #3773b2;
$custom-light: #7c9ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3773b2",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 210.732,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54583,
    "c": 0.11694,
    "h": 251.8
  },
  "luminance": 0.16288
}

Semantic roles & 50–950 ramp

primary

#3773B2

secondary

#C5A380

accent

#964CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3773B2

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

Preview Lab → · Contrast checker → · Palette generator →