#3373BF#3373BF

#3373BF is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.135 H 254.6°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3373BF
RGB	rgb(51, 115, 191)
HSL	hsl(213, 58%, 47%)
HSV	hsv(213, 73%, 75%)
CMYK	cmyk(73.3%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(47.91, 5.66, -45.75)
CIE-LCH	lch(47.91, 46.10, 277.05°)
OKLab	oklab(55.21% -0.036 -0.1305)
OKLCH	oklch(55.21% 0.135 254.6)
XYZ	xyz(16.8965, 16.7250, 51.6179)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373BF #BF7F33

analogous

#33B9BF #3373BF #3933BF

triadic

#3373BF #BF3373 #73BF33

tetradic

#3373BF #BF33B9 #BF7F33 #33BF39

square

#3373BF #BF33B9 #BF7F33 #33BF39

split-complementary

#3373BF #BF3933 #B9BF33

monochromatic

#19395E #26568F #3373BF #5C92D3 #8CB3E0

Accessibility & contrast

On white

4.83

#3373BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3373BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3373BF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373BF	#FFFFFF	#000000	##FFFFFF
##3373BF	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)

#4F79C2

Deuteranopia (green-blind)

#396CBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3373bf;
/* rgb */ color: rgb(51, 115, 191);
/* oklch */ color: oklch(55.2% 0.135 254.6);

Tailwind

colors: {
  custom: {
    50: '#7d9ad3',
    500: '#3373bf',
    950: '#000000',
  },
}

SCSS

$custom: #3373bf;
$custom-light: #7d9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3373bf",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 212.571,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55213,
    "c": 0.13543,
    "h": 254.6
  },
  "luminance": 0.16727
}

Semantic roles & 50–950 ramp

primary

#3373BF

secondary

#CBAA83

accent

#9B47E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3373BF

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

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