#3373B7#3373B7

#3373B7 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.125 H 252.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3373B7
RGB	rgb(51, 115, 183)
HSL	hsl(211, 56%, 46%)
HSV	hsv(211, 72%, 72%)
CMYK	cmyk(72.1%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(47.47, 2.72, -41.83)
CIE-LCH	lch(47.47, 41.92, 273.72°)
OKLab	oklab(54.73% -0.038 -0.119)
OKLCH	oklch(54.73% 0.125 252.3)
XYZ	xyz(16.0400, 16.3824, 47.1073)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373B7 #B77733

analogous

#33B5B7 #3373B7 #3533B7

triadic

#3373B7 #B73373 #73B733

tetradic

#3373B7 #B733B5 #B77733 #33B735

square

#3373B7 #B733B5 #B77733 #33B735

split-complementary

#3373B7 #B73533 #B5B733

monochromatic

#183757 #265587 #3373B7 #5792D0 #87B1DE

Accessibility & contrast

On white

4.91

#3373B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3373B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3373B7

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373B7	#FFFFFF	#000000	##FFFFFF
##3373B7	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477BA

Deuteranopia (green-blind)

#406BB6

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3373b7;
/* rgb */ color: rgb(51, 115, 183);
/* oklch */ color: oklch(54.7% 0.125 252.3);

Tailwind

colors: {
  custom: {
    50: '#7b9acd',
    500: '#3373b7',
    950: '#000000',
  },
}

SCSS

$custom: #3373b7;
$custom-light: #7b9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3373b7",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 210.909,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54727,
    "c": 0.12496,
    "h": 252.3
  },
  "luminance": 0.16384
}

Semantic roles & 50–950 ramp

primary

#3373B7

secondary

#C7A47F

accent

#9648E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3373B7

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

Preview Lab → · Contrast checker → · Palette generator →