#338AB4#338AB4

#338AB4 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.0% C 0.103 H 233.4°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#338AB4
RGB	rgb(51, 138, 180)
HSL	hsl(200, 56%, 45%)
HSV	hsv(200, 72%, 71%)
CMYK	cmyk(71.7%, 23.3%, 0%, 29.4%)
CIE-LAB	lab(54.21, -11.89, -29.52)
CIE-LCH	lch(54.21, 31.83, 248.07°)
OKLab	oklab(60% -0.0617 -0.083)
OKLCH	oklch(60% 0.103 233.4)
XYZ	xyz(18.6887, 22.1739, 46.4662)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338AB4 #B45D33

analogous

#33B49D #338AB4 #3349B4

triadic

#338AB4 #B4338A #8AB433

tetradic

#338AB4 #9D33B4 #B45D33 #49B433

square

#338AB4 #9D33B4 #B45D33 #49B433

split-complementary

#338AB4 #B43349 #B49D33

monochromatic

#184155 #256584 #338AB4 #55A7CF #85C0DC

Accessibility & contrast

On white

3.86

#338AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#338AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338AB4

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338AB4	#FFFFFF	#000000	##000000
##338AB4	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7589B6

Deuteranopia (green-blind)

#647CB3

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #338ab4;
/* rgb */ color: rgb(51, 138, 180);
/* oklch */ color: oklch(60.0% 0.103 233.4);

Tailwind

colors: {
  custom: {
    50: '#7bacca',
    500: '#338ab4',
    950: '#000000',
  },
}

SCSS

$custom: #338ab4;
$custom-light: #7bacca;
$custom-dark: #000000;

JSON

{
  "hex": "#338ab4",
  "rgb": {
    "r": 51,
    "g": 138,
    "b": 180
  },
  "hsl": {
    "h": 199.535,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.60002,
    "c": 0.10339,
    "h": 233.4
  },
  "luminance": 0.22176
}

Semantic roles & 50–950 ramp

primary

#338AB4

secondary

#C6957D

accent

#7A49DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338AB4

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

Preview Lab → · Contrast checker → · Palette generator →