#3775BD#3775BD

#3775BD is a mid, vivid cyan. Relative luminance 0.172; OKLCH L 55.7% C 0.129 H 254.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3775BD
RGB	rgb(55, 117, 189)
HSL	hsl(212, 55%, 48%)
HSV	hsv(212, 71%, 74%)
CMYK	cmyk(70.9%, 38.1%, 0%, 25.9%)
CIE-LAB	lab(48.52, 4.26, -43.63)
CIE-LCH	lch(48.52, 43.83, 275.58°)
OKLab	oklab(55.69% -0.0357 -0.1242)
OKLCH	oklch(55.69% 0.129 254)
XYZ	xyz(17.1188, 17.2071, 50.5534)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775BD #BD7F37

analogous

#37B8BD #3775BD #3C37BD

triadic

#3775BD #BD3775 #75BD37

tetradic

#3775BD #BD37B8 #BD7F37 #37BD3C

square

#3775BD #BD37B8 #BD7F37 #37BD3C

split-complementary

#3775BD #BD3C37 #B8BD37

monochromatic

#1B3A5E #29588E #3775BD #6094D1 #90B4DF

Accessibility & contrast

On white

4.73

#3775BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3775BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775BD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775BD	#FFFFFF	#000000	##FFFFFF
##3775BD	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3775bd;
/* rgb */ color: rgb(55, 117, 189);
/* oklch */ color: oklch(55.7% 0.129 254.0);

Tailwind

colors: {
  custom: {
    50: '#7e9cd1',
    500: '#3775bd',
    950: '#000000',
  },
}

SCSS

$custom: #3775bd;
$custom-light: #7e9cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3775bd",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 189
  },
  "hsl": {
    "h": 212.239,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5569,
    "c": 0.12926,
    "h": 254
  },
  "luminance": 0.17209
}

Semantic roles & 50–950 ramp

primary

#3775BD

secondary

#C9AA86

accent

#994ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3775BD

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

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