#3377C9#3377C9

#3377C9 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.144 H 255.0°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3377C9
RGB	rgb(51, 119, 201)
HSL	hsl(213, 60%, 49%)
HSV	hsv(213, 75%, 79%)
CMYK	cmyk(74.6%, 40.8%, 0%, 21.2%)
CIE-LAB	lab(49.63, 6.87, -48.75)
CIE-LCH	lch(49.63, 49.23, 278.03°)
OKLab	oklab(56.74% -0.0374 -0.1393)
OKLCH	oklch(56.74% 0.144 255)
XYZ	xyz(18.5008, 18.1124, 57.7680)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3377C9 #C98533

analogous

#33C2C9 #3377C9 #3A33C9

triadic

#3377C9 #C93377 #77C933

tetradic

#3377C9 #C933C2 #C98533 #33C93A

square

#3377C9 #C933C2 #C98533 #33C93A

split-complementary

#3377C9 #C93A33 #C2C933

monochromatic

#1A3D67 #275A98 #3377C9 #6297D7 #93B7E4

Accessibility & contrast

On white

4.54

#3377C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3377C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377C9

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3377C9	#FFFFFF	#000000	##000000
##3377C9	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507DCC

Deuteranopia (green-blind)

#3770C7

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3377c9;
/* rgb */ color: rgb(51, 119, 201);
/* oklch */ color: oklch(56.7% 0.144 255.0);

Tailwind

colors: {
  custom: {
    50: '#7f9dda',
    500: '#3377c9',
    950: '#000000',
  },
}

SCSS

$custom: #3377c9;
$custom-light: #7f9dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3377c9",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 201
  },
  "hsl": {
    "h": 212.8,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56736,
    "c": 0.1442,
    "h": 255
  },
  "luminance": 0.18115
}

Semantic roles & 50–950 ramp

primary

#3377C9

secondary

#CFAF89

accent

#9B45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3377C9

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

Preview Lab → · Contrast checker → · Palette generator →