#338CA3#338CA3

#338CA3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.089 H 218.3°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#338CA3
RGB	rgb(51, 140, 163)
HSL	hsl(192, 52%, 42%)
HSV	hsv(192, 69%, 64%)
CMYK	cmyk(68.7%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(54.14, -18.67, -19.88)
CIE-LCH	lch(54.14, 27.27, 226.81°)
OKLab	oklab(59.72% -0.0702 -0.0554)
OKLCH	oklch(59.72% 0.089 218.3)
XYZ	xyz(17.3515, 22.1024, 37.9950)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CA3 #A34A33

analogous

#33A382 #338CA3 #3354A3

triadic

#338CA3 #A3338C #8CA333

tetradic

#338CA3 #8233A3 #A34A33 #54A333

square

#338CA3 #8233A3 #A34A33 #54A333

split-complementary

#338CA3 #A33354 #A38233

monochromatic

#163C46 #246474 #338CA3 #4CAEC7 #7BC3D6

Accessibility & contrast

On white

3.87

#338CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#338CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CA3

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CA3	#FFFFFF	#000000	##000000
##338CA3	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A4

Deuteranopia (green-blind)

#6D7CA3

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #338ca3;
/* rgb */ color: rgb(51, 140, 163);
/* oklch */ color: oklch(59.7% 0.089 218.3);

Tailwind

colors: {
  custom: {
    50: '#79adbe',
    500: '#338ca3',
    950: '#000000',
  },
}

SCSS

$custom: #338ca3;
$custom-light: #79adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#338ca3",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 192.321,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.59715,
    "c": 0.08945,
    "h": 218.3
  },
  "luminance": 0.22104
}

Semantic roles & 50–950 ramp

primary

#338CA3

secondary

#BE8373

accent

#6A4CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #338CA3

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

Preview Lab → · Contrast checker → · Palette generator →