#337999#337999

#337999 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.6% C 0.085 H 231.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#337999
RGB	rgb(51, 121, 153)
HSL	hsl(199, 50%, 40%)
HSV	hsv(199, 67%, 60%)
CMYK	cmyk(66.7%, 20.9%, 0%, 40%)
CIE-LAB	lab(47.85, -11.47, -23.73)
CIE-LCH	lch(47.85, 26.36, 244.20°)
OKLab	oklab(54.55% -0.0537 -0.0664)
OKLCH	oklch(54.55% 0.085 231)
XYZ	xyz(13.9501, 16.6770, 32.6146)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337999 #995333

analogous

#339986 #337999 #334699

triadic

#337999 #993379 #799933

tetradic

#337999 #863399 #995333 #469933

square

#337999 #863399 #995333 #469933

split-complementary

#337999 #993346 #998633

monochromatic

#14303D #24556B #337999 #479BC2 #75B4D1

Accessibility & contrast

On white

4.84

#337999 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#337999 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337999

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337999	#FFFFFF	#000000	##FFFFFF
##337999	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69779B

Deuteranopia (green-blind)

#5B6D99

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #337999;
/* rgb */ color: rgb(51, 121, 153);
/* oklch */ color: oklch(54.6% 0.085 231.0);

Tailwind

colors: {
  custom: {
    50: '#769fb7',
    500: '#337999',
    950: '#000000',
  },
}

SCSS

$custom: #337999;
$custom-light: #769fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#337999",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 153
  },
  "hsl": {
    "h": 198.824,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.54554,
    "c": 0.08545,
    "h": 231
  },
  "luminance": 0.16678
}

Semantic roles & 50–950 ramp

primary

#337999

secondary

#B9866E

accent

#7A4EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #337999

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

Preview Lab → · Contrast checker → · Palette generator →