#3375BC#3375BC

#3375BC is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.5% C 0.129 H 252.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3375BC
RGB	rgb(51, 117, 188)
HSL	hsl(211, 57%, 47%)
HSV	hsv(211, 73%, 74%)
CMYK	cmyk(72.9%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(48.33, 3.32, -43.36)
CIE-LCH	lch(48.33, 43.49, 274.38°)
OKLab	oklab(55.49% -0.0386 -0.1235)
OKLCH	oklch(55.49% 0.129 252.6)
XYZ	xyz(16.8002, 17.0554, 49.9738)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3375BC #BC7A33

analogous

#33BABC #3375BC #3633BC

triadic

#3375BC #BC3375 #75BC33

tetradic

#3375BC #BC33BA #BC7A33 #33BC36

square

#3375BC #BC33BA #BC7A33 #33BC36

split-complementary

#3375BC #BC3633 #BABC33

monochromatic

#19395C #26578C #3375BC #5A94D2 #8AB3DF

Accessibility & contrast

On white

4.76

#3375BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3375BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3375BC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3375BC	#FFFFFF	#000000	##FFFFFF
##3375BC	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547ABF

Deuteranopia (green-blind)

#406DBB

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3375bc;
/* rgb */ color: rgb(51, 117, 188);
/* oklch */ color: oklch(55.5% 0.129 252.6);

Tailwind

colors: {
  custom: {
    50: '#7c9cd0',
    500: '#3375bc',
    950: '#000000',
  },
}

SCSS

$custom: #3375bc;
$custom-light: #7c9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3375bc",
  "rgb": {
    "r": 51,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 211.095,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55486,
    "c": 0.12939,
    "h": 252.6
  },
  "luminance": 0.17057
}

Semantic roles & 50–950 ramp

primary

#3375BC

secondary

#C9A781

accent

#9747E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3375BC

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

Preview Lab → · Contrast checker → · Palette generator →