#3775B2#3775B2

#3775B2 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.115 H 250.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3775B2
RGB	rgb(55, 117, 178)
HSL	hsl(210, 53%, 46%)
HSV	hsv(210, 69%, 70%)
CMYK	cmyk(69.1%, 34.3%, 0%, 30.2%)
CIE-LAB	lab(47.94, 0.30, -38.18)
CIE-LCH	lch(47.94, 38.18, 270.45°)
OKLab	oklab(55.05% -0.0386 -0.1083)
OKLCH	oklch(55.05% 0.115 250.4)
XYZ	xyz(15.9697, 16.7475, 44.5018)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775B2 #B27437

analogous

#37B2B1 #3775B2 #3737B2

triadic

#3775B2 #B23775 #75B237

tetradic

#3775B2 #B137B2 #B27437 #37B237

square

#3775B2 #B137B2 #B27437 #37B237

split-complementary

#3775B2 #B23737 #B2B137

monochromatic

#1A3854 #295683 #3775B2 #5A94CC #89B2DB

Accessibility & contrast

On white

4.83

#3775B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3775B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775B2

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775B2	#FFFFFF	#000000	##FFFFFF
##3775B2	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B5

Deuteranopia (green-blind)

#486DB1

Tritanopia (blue-blind)

#00838B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3775b2;
/* rgb */ color: rgb(55, 117, 178);
/* oklch */ color: oklch(55.0% 0.115 250.4);

Tailwind

colors: {
  custom: {
    50: '#7c9cc9',
    500: '#3775b2',
    950: '#000000',
  },
}

SCSS

$custom: #3775b2;
$custom-light: #7c9cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3775b2",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 178
  },
  "hsl": {
    "h": 209.756,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55047,
    "c": 0.11498,
    "h": 250.4
  },
  "luminance": 0.16749
}

Semantic roles & 50–950 ramp

primary

#3775B2

secondary

#C5A280

accent

#934CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3775B2

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

Preview Lab → · Contrast checker → · Palette generator →