#338FB8#338FB8

#338FB8 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.105 H 231.5°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#338FB8
RGB	rgb(51, 143, 184)
HSL	hsl(198, 57%, 46%)
HSV	hsv(198, 72%, 72%)
CMYK	cmyk(72.3%, 22.3%, 0%, 27.8%)
CIE-LAB	lab(55.89, -13.31, -29.19)
CIE-LCH	lch(55.89, 32.08, 245.49°)
OKLab	oklab(61.4% -0.0653 -0.082)
OKLCH	oklch(61.4% 0.105 231.5)
XYZ	xyz(19.8360, 23.8072, 48.8879)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338FB8 #B85C33

analogous

#33B89E #338FB8 #334CB8

triadic

#338FB8 #B8338F #8FB833

tetradic

#338FB8 #9E33B8 #B85C33 #4CB833

square

#338FB8 #9E33B8 #B85C33 #4CB833

split-complementary

#338FB8 #B8334C #B89E33

monochromatic

#184558 #266A88 #338FB8 #58ABD1 #88C3DE

Accessibility & contrast

On white

3.64

#338FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#338FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338FB8

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338FB8	#FFFFFF	#000000	##000000
##338FB8	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8DBA

Deuteranopia (green-blind)

#6880B7

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #338fb8;
/* rgb */ color: rgb(51, 143, 184);
/* oklch */ color: oklch(61.4% 0.105 231.5);

Tailwind

colors: {
  custom: {
    50: '#7cafcd',
    500: '#338fb8',
    950: '#000000',
  },
}

SCSS

$custom: #338fb8;
$custom-light: #7cafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#338fb8",
  "rgb": {
    "r": 51,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 198.496,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.614,
    "c": 0.10481,
    "h": 231.5
  },
  "luminance": 0.23809
}

Semantic roles & 50–950 ramp

primary

#338FB8

secondary

#C8957F

accent

#7748E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338FB8

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

Preview Lab → · Contrast checker → · Palette generator →