#337AB6#337AB6

#337AB6 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.117 H 247.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#337AB6
RGB	rgb(51, 122, 182)
HSL	hsl(207, 56%, 46%)
HSV	hsv(207, 72%, 71%)
CMYK	cmyk(72%, 33%, 0%, 28.6%)
CIE-LAB	lab(49.49, -1.89, -38.05)
CIE-LCH	lch(49.49, 38.10, 267.15°)
OKLab	oklab(56.3% -0.0451 -0.1079)
OKLCH	oklch(56.3% 0.117 247.3)
XYZ	xyz(16.7651, 17.9984, 46.8374)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337AB6 #B66F33

analogous

#33B6B0 #337AB6 #3338B6

triadic

#337AB6 #B6337A #7AB633

tetradic

#337AB6 #B033B6 #B66F33 #38B633

square

#337AB6 #B033B6 #B66F33 #38B633

split-complementary

#337AB6 #B63338 #B6B033

monochromatic

#183A56 #265A86 #337AB6 #5698D0 #86B5DD

Accessibility & contrast

On white

4.57

#337AB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#337AB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337AB6

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337AB6	#FFFFFF	#000000	##000000
##337AB6	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7CB9

Deuteranopia (green-blind)

#4C70B5

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #337ab6;
/* rgb */ color: rgb(51, 122, 182);
/* oklch */ color: oklch(56.3% 0.117 247.3);

Tailwind

colors: {
  custom: {
    50: '#7ba0cc',
    500: '#337ab6',
    950: '#000000',
  },
}

SCSS

$custom: #337ab6;
$custom-light: #7ba0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#337ab6",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 182
  },
  "hsl": {
    "h": 207.481,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.11694,
    "h": 247.3
  },
  "luminance": 0.18
}

Semantic roles & 50–950 ramp

primary

#337AB6

secondary

#C79F7E

accent

#8E48E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #337AB6

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

Preview Lab → · Contrast checker → · Palette generator →