#338EB3#338EB3

#338EB3 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.101 H 229.0°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#338EB3
RGB	rgb(51, 142, 179)
HSL	hsl(197, 56%, 45%)
HSV	hsv(197, 72%, 70%)
CMYK	cmyk(71.5%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(55.38, -14.45, -27.14)
CIE-LCH	lch(55.38, 30.74, 241.96°)
OKLab	oklab(60.92% -0.0661 -0.0761)
OKLCH	oklch(60.92% 0.101 229)
XYZ	xyz(19.1716, 23.3023, 46.1265)
Luminance	0.2330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338EB3 #B35833

analogous

#33B398 #338EB3 #334EB3

triadic

#338EB3 #B3338E #8EB333

tetradic

#338EB3 #9833B3 #B35833 #4EB333

square

#338EB3 #9833B3 #B35833 #4EB333

split-complementary

#338EB3 #B3334E #B39833

monochromatic

#184254 #256883 #338EB3 #55ABCE #84C3DC

Accessibility & contrast

On white

3.71

#338EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#338EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338EB3

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338EB3	#FFFFFF	#000000	##000000
##338EB3	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB5

Deuteranopia (green-blind)

#697FB2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338eb3;
/* rgb */ color: rgb(51, 142, 179);
/* oklch */ color: oklch(60.9% 0.101 229.0);

Tailwind

colors: {
  custom: {
    50: '#7bafca',
    500: '#338eb3',
    950: '#000000',
  },
}

SCSS

$custom: #338eb3;
$custom-light: #7bafca;
$custom-dark: #000000;

JSON

{
  "hex": "#338eb3",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 197.344,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.60923,
    "c": 0.10079,
    "h": 229
  },
  "luminance": 0.23304
}

Semantic roles & 50–950 ramp

primary

#338EB3

secondary

#C6917C

accent

#7449DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338EB3

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

Preview Lab → · Contrast checker → · Palette generator →