#337BB6#337BB6

#337BB6 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.116 H 246.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#337BB6
RGB	rgb(51, 123, 182)
HSL	hsl(207, 56%, 46%)
HSV	hsv(207, 72%, 71%)
CMYK	cmyk(72%, 32.4%, 0%, 28.6%)
CIE-LAB	lab(49.79, -2.49, -37.59)
CIE-LCH	lch(49.79, 37.67, 266.21°)
OKLab	oklab(56.53% -0.046 -0.1065)
OKLCH	oklch(56.53% 0.116 246.6)
XYZ	xyz(16.8885, 18.2452, 46.8785)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337BB6 #B66E33

analogous

#33B6AF #337BB6 #3339B6

triadic

#337BB6 #B6337B #7BB633

tetradic

#337BB6 #AF33B6 #B66E33 #39B633

square

#337BB6 #AF33B6 #B66E33 #39B633

split-complementary

#337BB6 #B63339 #B6AF33

monochromatic

#183A56 #265B86 #337BB6 #5699D0 #86B6DD

Accessibility & contrast

On white

4.52

#337BB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#337BB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337BB6

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337BB6	#FFFFFF	#000000	##000000
##337BB6	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607DB9

Deuteranopia (green-blind)

#4E71B5

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337bb6;
/* rgb */ color: rgb(51, 123, 182);
/* oklch */ color: oklch(56.5% 0.116 246.6);

Tailwind

colors: {
  custom: {
    50: '#7ba0cc',
    500: '#337bb6',
    950: '#000000',
  },
}

SCSS

$custom: #337bb6;
$custom-light: #7ba0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#337bb6",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 182
  },
  "hsl": {
    "h": 207.023,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56532,
    "c": 0.11605,
    "h": 246.6
  },
  "luminance": 0.18247
}

Semantic roles & 50–950 ramp

primary

#337BB6

secondary

#C79F7E

accent

#8C48E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #337BB6

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

Preview Lab → · Contrast checker → · Palette generator →