#338EB2#338EB2

#338EB2 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.100 H 228.3°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#338EB2
RGB	rgb(51, 142, 178)
HSL	hsl(197, 55%, 45%)
HSV	hsv(197, 71%, 70%)
CMYK	cmyk(71.3%, 20.2%, 0%, 30.2%)
CIE-LAB	lab(55.34, -14.79, -26.63)
CIE-LCH	lch(55.34, 30.46, 240.95°)
OKLab	oklab(60.88% -0.0664 -0.0746)
OKLCH	oklch(60.88% 0.1 228.3)
XYZ	xyz(19.0709, 23.2620, 45.5958)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#338EB2 #B25733

analogous

#33B297 #338EB2 #334EB2

triadic

#338EB2 #B2338E #8EB233

tetradic

#338EB2 #9733B2 #B25733 #4EB233

square

#338EB2 #9733B2 #B25733 #4EB233

split-complementary

#338EB2 #B2334E #B29733

monochromatic

#184253 #256882 #338EB2 #54ABCE #84C3DC

Accessibility & contrast

On white

3.71

#338EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#338EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #338EB2

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##338EB2	#FFFFFF	#000000	##000000
##338EB2	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB4

Deuteranopia (green-blind)

#6A7FB2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #338eb2;
/* rgb */ color: rgb(51, 142, 178);
/* oklch */ color: oklch(60.9% 0.100 228.3);

Tailwind

colors: {
  custom: {
    50: '#7bafc9',
    500: '#338eb2',
    950: '#000000',
  },
}

SCSS

$custom: #338eb2;
$custom-light: #7bafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#338eb2",
  "rgb": {
    "r": 51,
    "g": 142,
    "b": 178
  },
  "hsl": {
    "h": 197.008,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.60876,
    "c": 0.09993,
    "h": 228.3
  },
  "luminance": 0.23264
}

Semantic roles & 50–950 ramp

primary

#338EB2

secondary

#C5907C

accent

#7349DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #338EB2

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

Preview Lab → · Contrast checker → · Palette generator →