#337EBA#337EBA

#337EBA is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.118 H 246.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#337EBA
RGB	rgb(51, 126, 186)
HSL	hsl(207, 57%, 46%)
HSV	hsv(207, 73%, 73%)
CMYK	cmyk(72.6%, 32.3%, 0%, 27.1%)
CIE-LAB	lab(50.88, -2.84, -38.17)
CIE-LCH	lch(50.88, 38.27, 265.74°)
OKLab	oklab(57.46% -0.0478 -0.1082)
OKLCH	oklch(57.46% 0.118 246.2)
XYZ	xyz(17.6856, 19.1687, 49.2127)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EBA #BA6F33

analogous

#33BAB3 #337EBA #333ABA

triadic

#337EBA #BA337E #7EBA33

tetradic

#337EBA #B333BA #BA6F33 #3ABA33

square

#337EBA #B333BA #BA6F33 #3ABA33

split-complementary

#337EBA #BA333A #BAB333

monochromatic

#193D5A #265D8A #337EBA #599CD1 #89B8DF

Accessibility & contrast

On white

4.34

#337EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#337EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EBA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EBA	#FFFFFF	#000000	##000000
##337EBA	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BD

Deuteranopia (green-blind)

#5073B9

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #337eba;
/* rgb */ color: rgb(51, 126, 186);
/* oklch */ color: oklch(57.5% 0.118 246.2);

Tailwind

colors: {
  custom: {
    50: '#7ca3cf',
    500: '#337eba',
    950: '#000000',
  },
}

SCSS

$custom: #337eba;
$custom-light: #7ca3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#337eba",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 206.667,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57457,
    "c": 0.11827,
    "h": 246.2
  },
  "luminance": 0.19171
}

Semantic roles & 50–950 ramp

primary

#337EBA

secondary

#C9A080

accent

#8B48E0

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #337EBA

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

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