#3371BE#3371BE

#3371BE is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.7% C 0.136 H 255.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3371BE
RGB	rgb(51, 113, 190)
HSL	hsl(213, 58%, 47%)
HSV	hsv(213, 73%, 75%)
CMYK	cmyk(73.2%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(47.27, 6.53, -46.19)
CIE-LCH	lch(47.27, 46.65, 278.05°)
OKLab	oklab(54.7% -0.0344 -0.1319)
OKLCH	oklch(54.7% 0.136 255.4)
XYZ	xyz(16.5612, 16.2299, 50.9651)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371BE #BE8033

analogous

#33B7BE #3371BE #3A33BE

triadic

#3371BE #BE3371 #71BE33

tetradic

#3371BE #BE33B7 #BE8033 #33BE3A

square

#3371BE #BE33B7 #BE8033 #33BE3A

split-complementary

#3371BE #BE3A33 #B7BE33

monochromatic

#19385E #26548E #3371BE #5B91D3 #8BB1E0

Accessibility & contrast

On white

4.95

#3371BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3371BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371BE

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371BE	#FFFFFF	#000000	##FFFFFF
##3371BE	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C1

Deuteranopia (green-blind)

#366ABC

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3371be;
/* rgb */ color: rgb(51, 113, 190);
/* oklch */ color: oklch(54.7% 0.136 255.4);

Tailwind

colors: {
  custom: {
    50: '#7c99d2',
    500: '#3371be',
    950: '#000000',
  },
}

SCSS

$custom: #3371be;
$custom-light: #7c99d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3371be",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 213.237,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54699,
    "c": 0.13628,
    "h": 255.4
  },
  "luminance": 0.16232
}

Semantic roles & 50–950 ramp

primary

#3371BE

secondary

#CAAA83

accent

#9C47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3371BE

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

Preview Lab → · Contrast checker → · Palette generator →