#3371B8#3371B8

#3371B8 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.3% C 0.128 H 253.8°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3371B8
RGB	rgb(51, 113, 184)
HSL	hsl(212, 57%, 46%)
HSV	hsv(212, 72%, 72%)
CMYK	cmyk(72.3%, 38.6%, 0%, 27.8%)
CIE-LAB	lab(46.94, 4.32, -43.26)
CIE-LCH	lch(46.94, 43.47, 275.70°)
OKLab	oklab(54.33% -0.0358 -0.1232)
OKLCH	oklch(54.33% 0.128 253.8)
XYZ	xyz(15.9189, 15.9730, 47.5822)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371B8 #B87A33

analogous

#33B3B8 #3371B8 #3733B8

triadic

#3371B8 #B83371 #71B833

tetradic

#3371B8 #B833B3 #B87A33 #33B837

square

#3371B8 #B833B3 #B87A33 #33B837

split-complementary

#3371B8 #B83733 #B3B833

monochromatic

#183658 #265488 #3371B8 #5890D1 #88B0DE

Accessibility & contrast

On white

5.01

#3371B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3371B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371B8

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371B8	#FFFFFF	#000000	##FFFFFF
##3371B8	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5076BB

Deuteranopia (green-blind)

#3C6AB7

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3371b8;
/* rgb */ color: rgb(51, 113, 184);
/* oklch */ color: oklch(54.3% 0.128 253.8);

Tailwind

colors: {
  custom: {
    50: '#7b99ce',
    500: '#3371b8',
    950: '#000000',
  },
}

SCSS

$custom: #3371b8;
$custom-light: #7b99ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3371b8",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 184
  },
  "hsl": {
    "h": 212.03,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54329,
    "c": 0.12836,
    "h": 253.8
  },
  "luminance": 0.15975
}

Semantic roles & 50–950 ramp

primary

#3371B8

secondary

#C8A67F

accent

#9948E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3371B8

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

Preview Lab → · Contrast checker → · Palette generator →