#3371BD#3371BD

#3371BD is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.6% C 0.135 H 255.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3371BD
RGB	rgb(51, 113, 189)
HSL	hsl(213, 58%, 47%)
HSV	hsv(213, 73%, 74%)
CMYK	cmyk(73%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(47.22, 6.16, -45.71)
CIE-LCH	lch(47.22, 46.12, 277.68°)
OKLab	oklab(54.64% -0.0347 -0.1304)
OKLCH	oklch(54.64% 0.135 255.1)
XYZ	xyz(16.4523, 16.1864, 50.3914)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371BD #BD7F33

analogous

#33B6BD #3371BD #3A33BD

triadic

#3371BD #BD3371 #71BD33

tetradic

#3371BD #BD33B6 #BD7F33 #33BD3A

square

#3371BD #BD33B6 #BD7F33 #33BD3A

split-complementary

#3371BD #BD3A33 #B6BD33

monochromatic

#19375D #26548D #3371BD #5B91D3 #8BB1E0

Accessibility & contrast

On white

4.96

#3371BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3371BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371BD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371BD	#FFFFFF	#000000	##FFFFFF
##3371BD	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C0

Deuteranopia (green-blind)

#376ABB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3371bd;
/* rgb */ color: rgb(51, 113, 189);
/* oklch */ color: oklch(54.6% 0.135 255.1);

Tailwind

colors: {
  custom: {
    50: '#7c99d1',
    500: '#3371bd',
    950: '#000000',
  },
}

SCSS

$custom: #3371bd;
$custom-light: #7c99d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3371bd",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 213.043,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54637,
    "c": 0.13497,
    "h": 255.1
  },
  "luminance": 0.16188
}

Semantic roles & 50–950 ramp

primary

#3371BD

secondary

#CAAA82

accent

#9C47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3371BD

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

Preview Lab → · Contrast checker → · Palette generator →