#337399#337399

#337399 is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.088 H 237.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#337399
RGB	rgb(51, 115, 153)
HSL	hsl(202, 50%, 40%)
HSV	hsv(202, 67%, 60%)
CMYK	cmyk(66.7%, 24.8%, 0%, 40%)
CIE-LAB	lab(45.99, -8.00, -26.61)
CIE-LCH	lch(45.99, 27.79, 253.27°)
OKLab	oklab(53.08% -0.0472 -0.0748)
OKLCH	oklch(53.08% 0.088 237.8)
XYZ	xyz(13.2435, 15.2638, 32.3791)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337399 #995933

analogous

#33998C #337399 #334099

triadic

#337399 #993373 #739933

tetradic

#337399 #8C3399 #995933 #409933

square

#337399 #8C3399 #995933 #409933

split-complementary

#337399 #993340 #998C33

monochromatic

#142E3D #24506B #337399 #4794C2 #75AFD1

Accessibility & contrast

On white

5.18

#337399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#337399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #337399

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337399	#FFFFFF	#000000	##FFFFFF
##337399	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739B

Deuteranopia (green-blind)

#536898

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #337399;
/* rgb */ color: rgb(51, 115, 153);
/* oklch */ color: oklch(53.1% 0.088 237.8);

Tailwind

colors: {
  custom: {
    50: '#769bb7',
    500: '#337399',
    950: '#000000',
  },
}

SCSS

$custom: #337399;
$custom-light: #769bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#337399",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 202.353,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.53077,
    "c": 0.0884,
    "h": 237.8
  },
  "luminance": 0.15265
}

Semantic roles & 50–950 ramp

primary

#337399

secondary

#B98A6E

accent

#824EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #337399

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

Preview Lab → · Contrast checker → · Palette generator →