#338CB1#338CB1

#338CB1 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.3% C 0.100 H 229.5°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#338CB1
RGB	rgb(51, 140, 177)
HSL	hsl(198, 55%, 45%)
HSV	hsv(198, 71%, 69%)
CMYK	cmyk(71.2%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.69, -14.02, -27.06)
CIE-LCH	lch(54.69, 30.48, 242.61°)
OKLab	oklab(60.34% -0.0648 -0.0759)
OKLCH	oklch(60.34% 0.1 229.5)
XYZ	xyz(18.6759, 22.6322, 44.9706)
Luminance	0.2263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338CB1 #B15833

analogous

#33B197 #338CB1 #334DB1

triadic

#338CB1 #B1338C #8CB133

tetradic

#338CB1 #9733B1 #B15833 #4DB133

square

#338CB1 #9733B1 #B15833 #4DB133

split-complementary

#338CB1 #B1334D #B19733

monochromatic

#184152 #256681 #338CB1 #54AACE #83C1DB

Accessibility & contrast

On white

3.80

#338CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#338CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338CB1

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338CB1	#FFFFFF	#000000	##000000
##338CB1	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB3

Deuteranopia (green-blind)

#687DB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #338cb1;
/* rgb */ color: rgb(51, 140, 177);
/* oklch */ color: oklch(60.3% 0.100 229.5);

Tailwind

colors: {
  custom: {
    50: '#7badc8',
    500: '#338cb1',
    950: '#000000',
  },
}

SCSS

$custom: #338cb1;
$custom-light: #7badc8;
$custom-dark: #000000;

JSON

{
  "hex": "#338cb1",
  "rgb": {
    "r": 51,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 197.619,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60344,
    "c": 0.09979,
    "h": 229.5
  },
  "luminance": 0.22634
}

Semantic roles & 50–950 ramp

primary

#338CB1

secondary

#C5917B

accent

#7549DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338CB1

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

Preview Lab → · Contrast checker → · Palette generator →