#338FA4#338FA4

#338FA4 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.5% C 0.090 H 215.9°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#338FA4
RGB	rgb(51, 143, 164)
HSL	hsl(191, 53%, 42%)
HSV	hsv(191, 69%, 64%)
CMYK	cmyk(68.9%, 12.8%, 0%, 35.7%)
CIE-LAB	lab(55.10, -19.94, -18.98)
CIE-LCH	lch(55.10, 27.53, 223.59°)
OKLab	oklab(60.5% -0.073 -0.0529)
OKLCH	oklch(60.5% 0.09 215.9)
XYZ	xyz(17.8858, 23.0271, 38.6168)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338FA4 #A44833

analogous

#33A480 #338FA4 #3357A4

triadic

#338FA4 #A4338F #8FA433

tetradic

#338FA4 #8033A4 #A44833 #57A433

square

#338FA4 #8033A4 #A44833 #57A433

split-complementary

#338FA4 #A43357 #A48033

monochromatic

#163E47 #246675 #338FA4 #4DB1C8 #7BC5D6

Accessibility & contrast

On white

3.75

#338FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#338FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338FA4

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338FA4	#FFFFFF	#000000	##000000
##338FA4	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA5

Deuteranopia (green-blind)

#717FA4

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #338fa4;
/* rgb */ color: rgb(51, 143, 164);
/* oklch */ color: oklch(60.5% 0.090 215.9);

Tailwind

colors: {
  custom: {
    50: '#79b0bf',
    500: '#338fa4',
    950: '#000000',
  },
}

SCSS

$custom: #338fa4;
$custom-light: #79b0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#338fa4",
  "rgb": {
    "r": 51,
    "g": 143,
    "b": 164
  },
  "hsl": {
    "h": 191.15,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.60502,
    "c": 0.09011,
    "h": 215.9
  },
  "luminance": 0.23029
}

Semantic roles & 50–950 ramp

primary

#338FA4

secondary

#BF8274

accent

#674CDC

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #338FA4

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

Preview Lab → · Contrast checker → · Palette generator →