#338EA4#338EA4

#338EA4 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.090 H 217.0°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#338EA4
RGB	rgb(51, 142, 164)
HSL	hsl(192, 53%, 42%)
HSV	hsv(192, 69%, 64%)
CMYK	cmyk(68.9%, 13.4%, 0%, 35.7%)
CIE-LAB	lab(54.79, -19.41, -19.45)
CIE-LCH	lch(54.79, 27.48, 225.06°)
OKLab	oklab(60.25% -0.0719 -0.0542)
OKLCH	oklch(60.25% 0.09 217)
XYZ	xyz(17.7363, 22.7282, 38.5670)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338EA4 #A44933

analogous

#33A481 #338EA4 #3356A4

triadic

#338EA4 #A4338E #8EA433

tetradic

#338EA4 #8133A4 #A44933 #56A433

square

#338EA4 #8133A4 #A44933 #56A433

split-complementary

#338EA4 #A43356 #A48133

monochromatic

#163D47 #246675 #338EA4 #4DB0C8 #7BC4D6

Accessibility & contrast

On white

3.79

#338EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#338EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338EA4

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338EA4	#FFFFFF	#000000	##000000
##338EA4	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8AA5

Deuteranopia (green-blind)

#6F7EA4

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338ea4;
/* rgb */ color: rgb(51, 142, 164);
/* oklch */ color: oklch(60.3% 0.090 217.0);

Tailwind

colors: {
  custom: {
    50: '#79afbf',
    500: '#338ea4',
    950: '#000000',
  },
}

SCSS

$custom: #338ea4;
$custom-light: #79afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#338ea4",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 164
  },
  "hsl": {
    "h": 191.681,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.60254,
    "c": 0.09006,
    "h": 217
  },
  "luminance": 0.2273
}

Semantic roles & 50–950 ramp

primary

#338EA4

secondary

#BF8374

accent

#684CDC

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #338EA4

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

Preview Lab → · Contrast checker → · Palette generator →