#3775C9#3775C9

#3775C9 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.4% C 0.145 H 256.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3775C9
RGB	rgb(55, 117, 201)
HSL	hsl(215, 57%, 50%)
HSV	hsv(215, 73%, 79%)
CMYK	cmyk(72.6%, 41.8%, 0%, 21.2%)
CIE-LAB	lab(49.19, 8.64, -49.45)
CIE-LCH	lch(49.19, 50.20, 279.91°)
OKLab	oklab(56.43% -0.033 -0.1413)
OKLCH	oklch(56.43% 0.145 256.9)
XYZ	xyz(18.4756, 17.7498, 57.6994)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775C9 #C98B37

analogous

#37BEC9 #3775C9 #4237C9

triadic

#3775C9 #C93775 #75C937

tetradic

#3775C9 #C937BE #C98B37 #37C942

square

#3775C9 #C937BE #C98B37 #37C942

split-complementary

#3775C9 #C94237 #BEC937

monochromatic

#1C3D69 #295999 #3775C9 #6796D6 #97B8E3

Accessibility & contrast

On white

4.61

#3775C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3775C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3775C9

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775C9	#FFFFFF	#000000	##FFFFFF
##3775C9	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7CCC

Deuteranopia (green-blind)

#346FC7

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3775c9;
/* rgb */ color: rgb(55, 117, 201);
/* oklch */ color: oklch(56.4% 0.145 256.9);

Tailwind

colors: {
  custom: {
    50: '#809cda',
    500: '#3775c9',
    950: '#000000',
  },
}

SCSS

$custom: #3775c9;
$custom-light: #809cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3775c9",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 201
  },
  "hsl": {
    "h": 214.521,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56431,
    "c": 0.1451,
    "h": 256.9
  },
  "luminance": 0.17752
}

Semantic roles & 50–950 ramp

primary

#3775C9

secondary

#CFB38D

accent

#9F47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3775C9

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

Preview Lab → · Contrast checker → · Palette generator →