#3377D1#3377D1

#3377D1 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.2% C 0.155 H 256.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3377D1
RGB	rgb(51, 119, 209)
HSL	hsl(214, 63%, 51%)
HSV	hsv(214, 76%, 82%)
CMYK	cmyk(75.6%, 43.1%, 0%, 18%)
CIE-LAB	lab(50.10, 9.83, -52.57)
CIE-LCH	lch(50.10, 53.48, 280.59°)
OKLab	oklab(57.25% -0.0357 -0.1505)
OKLCH	oklch(57.25% 0.155 256.7)
XYZ	xyz(19.4665, 18.4987, 62.8539)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3377D1 #D18D33

analogous

#33C6D1 #3377D1 #3E33D1

triadic

#3377D1 #D13377 #77D133

tetradic

#3377D1 #D133C6 #D18D33 #33D13E

square

#3377D1 #D133C6 #D18D33 #33D13E

split-complementary

#3377D1 #D13E33 #C6D133

monochromatic

#193F70 #255BA2 #3377D1 #6598DC #97BAE8

Accessibility & contrast

On white

4.47

#3377D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#3377D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377D1

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3377D1	#FFFFFF	#000000	##000000
##3377D1	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7FD4

Deuteranopia (green-blind)

#2C70CF

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3377d1;
/* rgb */ color: rgb(51, 119, 209);
/* oklch */ color: oklch(57.2% 0.155 256.7);

Tailwind

colors: {
  custom: {
    50: '#809ddf',
    500: '#3377d1',
    950: '#000000',
  },
}

SCSS

$custom: #3377d1;
$custom-light: #809ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#3377d1",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 209
  },
  "hsl": {
    "h": 214.177,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57246,
    "c": 0.15468,
    "h": 256.7
  },
  "luminance": 0.18501
}

Semantic roles & 50–950 ramp

primary

#3377D1

secondary

#D3B58D

accent

#9F42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3377D1

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

Preview Lab → · Contrast checker → · Palette generator →