#338CB4#338CB4

#338CB4 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.102 H 231.6°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#338CB4
RGB	rgb(51, 140, 180)
HSL	hsl(199, 56%, 45%)
HSV	hsv(199, 72%, 71%)
CMYK	cmyk(71.7%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(54.82, -13.00, -28.58)
CIE-LCH	lch(54.82, 31.40, 245.54°)
OKLab	oklab(60.49% -0.0637 -0.0803)
OKLCH	oklch(60.49% 0.102 231.6)
XYZ	xyz(18.9783, 22.7531, 46.5627)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CB4 #B45B33

analogous

#33B49C #338CB4 #334BB4

triadic

#338CB4 #B4338C #8CB433

tetradic

#338CB4 #9C33B4 #B45B33 #4BB433

square

#338CB4 #9C33B4 #B45B33 #4BB433

split-complementary

#338CB4 #B4334B #B49C33

monochromatic

#184255 #256784 #338CB4 #55A9CF #85C1DC

Accessibility & contrast

On white

3.78

#338CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#338CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CB4

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CB4	#FFFFFF	#000000	##000000
##338CB4	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788AB6

Deuteranopia (green-blind)

#667EB3

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338cb4;
/* rgb */ color: rgb(51, 140, 180);
/* oklch */ color: oklch(60.5% 0.102 231.6);

Tailwind

colors: {
  custom: {
    50: '#7badca',
    500: '#338cb4',
    950: '#000000',
  },
}

SCSS

$custom: #338cb4;
$custom-light: #7badca;
$custom-dark: #000000;

JSON

{
  "hex": "#338cb4",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 198.605,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.60485,
    "c": 0.10246,
    "h": 231.6
  },
  "luminance": 0.22755
}

Semantic roles & 50–950 ramp

primary

#338CB4

secondary

#C6947D

accent

#7749DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338CB4

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

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