#337E8F#337E8F

#337E8F is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.077 H 215.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#337E8F
RGB	rgb(51, 126, 143)
HSL	hsl(191, 47%, 38%)
HSV	hsv(191, 64%, 56%)
CMYK	cmyk(64.3%, 11.9%, 0%, 43.9%)
CIE-LAB	lab(49.02, -17.56, -16.07)
CIE-LCH	lch(49.02, 23.80, 222.46°)
OKLab	oklab(55.36% -0.0633 -0.0446)
OKLCH	oklch(55.36% 0.077 215.2)
XYZ	xyz(13.7820, 17.6072, 28.6535)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337E8F #8F4433

analogous

#338F72 #337E8F #33508F

triadic

#337E8F #8F337E #7E8F33

tetradic

#337E8F #72338F #8F4433 #508F33

square

#337E8F #72338F #8F4433 #508F33

split-complementary

#337E8F #8F3350 #8F7233

monochromatic

#132F35 #235662 #337E8F #43A6BC #70BBCC

Accessibility & contrast

On white

4.64

#337E8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#337E8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #337E8F

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337E8F	#FFFFFF	#000000	##FFFFFF
##337E8F	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727A90

Deuteranopia (green-blind)

#65708F

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #337e8f;
/* rgb */ color: rgb(51, 126, 143);
/* oklch */ color: oklch(55.4% 0.077 215.2);

Tailwind

colors: {
  custom: {
    50: '#75a3af',
    500: '#337e8f',
    950: '#000000',
  },
}

SCSS

$custom: #337e8f;
$custom-light: #75a3af;
$custom-dark: #000000;

JSON

{
  "hex": "#337e8f",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 143
  },
  "hsl": {
    "h": 191.087,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55356,
    "c": 0.07742,
    "h": 215.2
  },
  "luminance": 0.17609
}

Semantic roles & 50–950 ramp

primary

#337E8F

secondary

#B4776A

accent

#6A51D7

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #337E8F

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

Preview Lab → · Contrast checker → · Palette generator →