#339CB1#339CB1

#339CB1 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.3% C 0.098 H 213.9°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#339CB1
RGB	rgb(51, 156, 177)
HSL	hsl(190, 55%, 45%)
HSV	hsv(190, 71%, 69%)
CMYK	cmyk(71.2%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(59.57, -22.59, -19.56)
CIE-LCH	lch(59.57, 29.88, 220.90°)
OKLab	oklab(64.26% -0.0811 -0.0545)
OKLCH	oklch(64.26% 0.098 213.9)
XYZ	xyz(21.1862, 27.6526, 45.8074)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#339CB1 #B14833

analogous

#33B187 #339CB1 #335DB1

triadic

#339CB1 #B1339C #9CB133

tetradic

#339CB1 #8733B1 #B14833 #5DB133

square

#339CB1 #8733B1 #B14833 #5DB133

split-complementary

#339CB1 #B1335D #B18733

monochromatic

#184852 #257281 #339CB1 #54B9CE #83CDDB

Accessibility & contrast

On white

3.22

#339CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#339CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339CB1

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##339CB1	#FFFFFF	#000000	##000000
##339CB1	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7B8AB1

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #339cb1;
/* rgb */ color: rgb(51, 156, 177);
/* oklch */ color: oklch(64.3% 0.098 213.9);

Tailwind

colors: {
  custom: {
    50: '#7cb9c8',
    500: '#339cb1',
    950: '#000000',
  },
}

SCSS

$custom: #339cb1;
$custom-light: #7cb9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#339cb1",
  "rgb": {
    "r": 51,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 190,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.64258,
    "c": 0.09772,
    "h": 213.9
  },
  "luminance": 0.27655
}

Semantic roles & 50–950 ramp

primary

#339CB1

secondary

#C5877B

accent

#6249DF

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #339CB1

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

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