#3373BC#3373BC

#3373BC is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.131 H 253.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3373BC
RGB	rgb(51, 115, 188)
HSL	hsl(212, 57%, 47%)
HSV	hsv(212, 73%, 74%)
CMYK	cmyk(72.9%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.74, 4.55, -44.29)
CIE-LCH	lch(47.74, 44.52, 275.87°)
OKLab	oklab(55.03% -0.0367 -0.1262)
OKLCH	oklch(55.03% 0.131 253.8)
XYZ	xyz(16.5697, 16.5943, 49.8970)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373BC #BC7C33

analogous

#33B8BC #3373BC #3833BC

triadic

#3373BC #BC3373 #73BC33

tetradic

#3373BC #BC33B8 #BC7C33 #33BC38

square

#3373BC #BC33B8 #BC7C33 #33BC38

split-complementary

#3373BC #BC3833 #B8BC33

monochromatic

#19385C #26568C #3373BC #5A92D2 #8AB2DF

Accessibility & contrast

On white

4.86

#3373BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3373BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3373BC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373BC	#FFFFFF	#000000	##FFFFFF
##3373BC	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#3C6BBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3373bc;
/* rgb */ color: rgb(51, 115, 188);
/* oklch */ color: oklch(55.0% 0.131 253.8);

Tailwind

colors: {
  custom: {
    50: '#7c9ad0',
    500: '#3373bc',
    950: '#000000',
  },
}

SCSS

$custom: #3373bc;
$custom-light: #7c9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3373bc",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 211.971,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55029,
    "c": 0.13149,
    "h": 253.8
  },
  "luminance": 0.16596
}

Semantic roles & 50–950 ramp

primary

#3373BC

secondary

#C9A881

accent

#9947E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3373BC

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

Preview Lab → · Contrast checker → · Palette generator →