#338CB5#338CB5

#338CB5 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.103 H 232.2°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#338CB5
RGB	rgb(51, 140, 181)
HSL	hsl(199, 56%, 45%)
HSV	hsv(199, 72%, 71%)
CMYK	cmyk(71.8%, 22.7%, 0%, 29%)
CIE-LAB	lab(54.86, -12.66, -29.09)
CIE-LCH	lch(54.86, 31.72, 246.47°)
OKLab	oklab(60.53% -0.0633 -0.0817)
OKLCH	oklch(60.53% 0.103 232.2)
XYZ	xyz(19.0805, 22.7940, 47.1012)
Luminance	0.2280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CB5 #B55C33

analogous

#33B59D #338CB5 #334BB5

triadic

#338CB5 #B5338C #8CB533

tetradic

#338CB5 #9D33B5 #B55C33 #4BB533

square

#338CB5 #9D33B5 #B55C33 #4BB533

split-complementary

#338CB5 #B5334B #B59D33

monochromatic

#184256 #266785 #338CB5 #56A9CF #86C1DD

Accessibility & contrast

On white

3.78

#338CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#338CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CB5

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CB5	#FFFFFF	#000000	##000000
##338CB5	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB7

Deuteranopia (green-blind)

#667EB4

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338cb5;
/* rgb */ color: rgb(51, 140, 181);
/* oklch */ color: oklch(60.5% 0.103 232.2);

Tailwind

colors: {
  custom: {
    50: '#7cadcb',
    500: '#338cb5',
    950: '#000000',
  },
}

SCSS

$custom: #338cb5;
$custom-light: #7cadcb;
$custom-dark: #000000;

JSON

{
  "hex": "#338cb5",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 181
  },
  "hsl": {
    "h": 198.923,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.60533,
    "c": 0.10339,
    "h": 232.2
  },
  "luminance": 0.22796
}

Semantic roles & 50–950 ramp

primary

#338CB5

secondary

#C6947D

accent

#7848DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338CB5

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

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