#3373B8#3373B8

#3373B8 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.8% C 0.126 H 252.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3373B8
RGB	rgb(51, 115, 184)
HSL	hsl(211, 57%, 46%)
HSV	hsv(211, 72%, 72%)
CMYK	cmyk(72.3%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.53, 3.09, -42.32)
CIE-LCH	lch(47.53, 42.44, 274.17°)
OKLab	oklab(54.79% -0.0377 -0.1205)
OKLCH	oklch(54.79% 0.126 252.6)
XYZ	xyz(16.1445, 16.4242, 47.6574)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3373B8 #B87833

analogous

#33B5B8 #3373B8 #3533B8

triadic

#3373B8 #B83373 #73B833

tetradic

#3373B8 #B833B5 #B87833 #33B835

square

#3373B8 #B833B5 #B87833 #33B835

split-complementary

#3373B8 #B83533 #B5B833

monochromatic

#183758 #265588 #3373B8 #5892D1 #88B1DE

Accessibility & contrast

On white

4.90

#3373B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3373B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3373B8

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3373B8	#FFFFFF	#000000	##FFFFFF
##3373B8	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5378BB

Deuteranopia (green-blind)

#3F6BB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3373b8;
/* rgb */ color: rgb(51, 115, 184);
/* oklch */ color: oklch(54.8% 0.126 252.6);

Tailwind

colors: {
  custom: {
    50: '#7b9acd',
    500: '#3373b8',
    950: '#000000',
  },
}

SCSS

$custom: #3373b8;
$custom-light: #7b9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3373b8",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 211.128,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54787,
    "c": 0.12626,
    "h": 252.6
  },
  "luminance": 0.16426
}

Semantic roles & 50–950 ramp

primary

#3373B8

secondary

#C8A57F

accent

#9748E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3373B8

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

Preview Lab → · Contrast checker → · Palette generator →