#338CB3#338CB3

#338CB3 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.102 H 230.9°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#338CB3
RGB	rgb(51, 140, 179)
HSL	hsl(198, 56%, 45%)
HSV	hsv(198, 72%, 70%)
CMYK	cmyk(71.5%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(54.77, -13.34, -28.08)
CIE-LCH	lch(54.77, 31.09, 244.58°)
OKLab	oklab(60.44% -0.064 -0.0788)
OKLCH	oklch(60.44% 0.102 230.9)
XYZ	xyz(18.8767, 22.7125, 46.0282)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CB3 #B35A33

analogous

#33B39A #338CB3 #334CB3

triadic

#338CB3 #B3338C #8CB333

tetradic

#338CB3 #9A33B3 #B35A33 #4CB333

square

#338CB3 #9A33B3 #B35A33 #4CB333

split-complementary

#338CB3 #B3334C #B39A33

monochromatic

#184154 #256783 #338CB3 #55A9CE #84C1DC

Accessibility & contrast

On white

3.79

#338CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#338CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CB3

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CB3	#FFFFFF	#000000	##000000
##338CB3	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB5

Deuteranopia (green-blind)

#677EB2

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338cb3;
/* rgb */ color: rgb(51, 140, 179);
/* oklch */ color: oklch(60.4% 0.102 230.9);

Tailwind

colors: {
  custom: {
    50: '#7badca',
    500: '#338cb3',
    950: '#000000',
  },
}

SCSS

$custom: #338cb3;
$custom-light: #7badca;
$custom-dark: #000000;

JSON

{
  "hex": "#338cb3",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 198.281,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.60438,
    "c": 0.10156,
    "h": 230.9
  },
  "luminance": 0.22715
}

Semantic roles & 50–950 ramp

primary

#338CB3

secondary

#C6937C

accent

#7749DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338CB3

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

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