#337AC2#337AC2

#337AC2 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.0% C 0.132 H 251.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#337AC2
RGB	rgb(51, 122, 194)
HSL	hsl(210, 58%, 48%)
HSV	hsv(210, 74%, 76%)
CMYK	cmyk(73.7%, 37.1%, 0%, 23.9%)
CIE-LAB	lab(50.12, 2.46, -43.97)
CIE-LCH	lch(50.12, 44.04, 273.20°)
OKLab	oklab(56.99% -0.0418 -0.1252)
OKLCH	oklch(56.99% 0.132 251.5)
XYZ	xyz(18.0587, 18.5159, 53.6507)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337AC2 #C27B33

analogous

#33C1C2 #337AC2 #3433C2

triadic

#337AC2 #C2337A #7AC233

tetradic

#337AC2 #C233C1 #C27B33 #33C234

square

#337AC2 #C233C1 #C27B33 #33C234

split-complementary

#337AC2 #C23433 #C1C233

monochromatic

#1A3D61 #265C92 #337AC2 #5E99D5 #8EB7E1

Accessibility & contrast

On white

4.46

#337AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#337AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337AC2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337AC2	#FFFFFF	#000000	##000000
##337AC2	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597EC5

Deuteranopia (green-blind)

#4371C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #337ac2;
/* rgb */ color: rgb(51, 122, 194);
/* oklch */ color: oklch(57.0% 0.132 251.5);

Tailwind

colors: {
  custom: {
    50: '#7da0d5',
    500: '#337ac2',
    950: '#000000',
  },
}

SCSS

$custom: #337ac2;
$custom-light: #7da0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#337ac2",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 194
  },
  "hsl": {
    "h": 210.21,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56988,
    "c": 0.13201,
    "h": 251.5
  },
  "luminance": 0.18518
}

Semantic roles & 50–950 ramp

primary

#337AC2

secondary

#CCA985

accent

#9446E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #337AC2

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

Preview Lab → · Contrast checker → · Palette generator →