#337A9C#337A9C

#337A9C is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.088 H 232.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#337A9C
RGB	rgb(51, 122, 156)
HSL	hsl(199, 51%, 41%)
HSV	hsv(199, 67%, 61%)
CMYK	cmyk(67.3%, 21.8%, 0%, 38.8%)
CIE-LAB	lab(48.29, -11.03, -24.82)
CIE-LCH	lch(48.29, 27.15, 246.04°)
OKLab	oklab(54.94% -0.0537 -0.0696)
OKLCH	oklch(54.94% 0.088 232.3)
XYZ	xyz(14.3232, 17.0217, 33.9767)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337A9C #9C5533

analogous

#339C8A #337A9C #33459C

triadic

#337A9C #9C337A #7A9C33

tetradic

#337A9C #8A339C #9C5533 #459C33

square

#337A9C #8A339C #9C5533 #459C33

split-complementary

#337A9C #9C3345 #9C8A33

monochromatic

#153240 #24566E #337A9C #499CC3 #77B5D3

Accessibility & contrast

On white

4.77

#337A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#337A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337A9C

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337A9C	#FFFFFF	#000000	##FFFFFF
##337A9C	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69799E

Deuteranopia (green-blind)

#5B6E9B

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #337a9c;
/* rgb */ color: rgb(51, 122, 156);
/* oklch */ color: oklch(54.9% 0.088 232.3);

Tailwind

colors: {
  custom: {
    50: '#77a0b9',
    500: '#337a9c',
    950: '#000000',
  },
}

SCSS

$custom: #337a9c;
$custom-light: #77a0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#337a9c",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 156
  },
  "hsl": {
    "h": 199.429,
    "s": 50.725,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54944,
    "c": 0.08786,
    "h": 232.3
  },
  "luminance": 0.17023
}

Semantic roles & 50–950 ramp

primary

#337A9C

secondary

#BB8870

accent

#7B4EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #337A9C

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

Preview Lab → · Contrast checker → · Palette generator →