#337EAD#337EAD

#337EAD is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.103 H 239.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#337EAD
RGB	rgb(51, 126, 173)
HSL	hsl(203, 54%, 44%)
HSV	hsv(203, 71%, 68%)
CMYK	cmyk(70.5%, 27.2%, 0%, 32.2%)
CIE-LAB	lab(50.26, -7.46, -31.64)
CIE-LCH	lch(50.26, 32.51, 256.74°)
OKLab	oklab(56.76% -0.0519 -0.0892)
OKLCH	oklch(56.76% 0.103 239.8)
XYZ	xyz(16.3660, 18.6408, 42.2626)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EAD #AD6233

analogous

#33AD9F #337EAD #3341AD

triadic

#337EAD #AD337E #7EAD33

tetradic

#337EAD #9F33AD #AD6233 #41AD33

square

#337EAD #9F33AD #AD6233 #41AD33

split-complementary

#337EAD #AD3341 #AD9F33

monochromatic

#17394E #255C7E #337EAD #519DCC #81B7DA

Accessibility & contrast

On white

4.44

#337EAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#337EAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EAD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EAD	#FFFFFF	#000000	##000000
##337EAD	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAF

Deuteranopia (green-blind)

#5872AC

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #337ead;
/* rgb */ color: rgb(51, 126, 173);
/* oklch */ color: oklch(56.8% 0.103 239.8);

Tailwind

colors: {
  custom: {
    50: '#7aa3c5',
    500: '#337ead',
    950: '#000000',
  },
}

SCSS

$custom: #337ead;
$custom-light: #7aa3c5;
$custom-dark: #000000;

JSON

{
  "hex": "#337ead",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 173
  },
  "hsl": {
    "h": 203.115,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56764,
    "c": 0.10321,
    "h": 239.8
  },
  "luminance": 0.18643
}

Semantic roles & 50–950 ramp

primary

#337EAD

secondary

#C39579

accent

#834ADE

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #337EAD

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

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