#338CA1#338CA1

#338CA1 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.088 H 216.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#338CA1
RGB	rgb(51, 140, 161)
HSL	hsl(191, 52%, 42%)
HSV	hsv(191, 68%, 63%)
CMYK	cmyk(68.3%, 13%, 0%, 36.9%)
CIE-LAB	lab(54.06, -19.31, -18.85)
CIE-LCH	lch(54.06, 26.99, 224.30°)
OKLab	oklab(59.63% -0.071 -0.0525)
OKLCH	oklch(59.63% 0.088 216.5)
XYZ	xyz(17.1737, 22.0313, 37.0587)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CA1 #A14833

analogous

#33A17F #338CA1 #3355A1

triadic

#338CA1 #A1338C #8CA133

tetradic

#338CA1 #7F33A1 #A14833 #55A133

square

#338CA1 #7F33A1 #A14833 #55A133

split-complementary

#338CA1 #A13355 #A17F33

monochromatic

#163B44 #246473 #338CA1 #4BAFC6 #7AC3D5

Accessibility & contrast

On white

3.88

#338CA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#338CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CA1

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CA1	#FFFFFF	#000000	##000000
##338CA1	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E88A2

Deuteranopia (green-blind)

#6E7CA1

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #338ca1;
/* rgb */ color: rgb(51, 140, 161);
/* oklch */ color: oklch(59.6% 0.088 216.5);

Tailwind

colors: {
  custom: {
    50: '#79adbc',
    500: '#338ca1',
    950: '#000000',
  },
}

SCSS

$custom: #338ca1;
$custom-light: #79adbc;
$custom-dark: #000000;

JSON

{
  "hex": "#338ca1",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 161
  },
  "hsl": {
    "h": 191.455,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59629,
    "c": 0.08832,
    "h": 216.5
  },
  "luminance": 0.22033
}

Semantic roles & 50–950 ramp

primary

#338CA1

secondary

#BD8172

accent

#684CDB

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #338CA1

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

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