#3674BE#3674BE

#3674BE is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.5% C 0.132 H 254.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3674BE
RGB	rgb(54, 116, 190)
HSL	hsl(213, 56%, 48%)
HSV	hsv(213, 72%, 75%)
CMYK	cmyk(71.6%, 38.9%, 0%, 25.5%)
CIE-LAB	lab(48.25, 5.10, -44.64)
CIE-LCH	lch(48.25, 44.93, 276.51°)
OKLab	oklab(55.49% -0.0352 -0.1272)
OKLCH	oklch(55.49% 0.132 254.5)
XYZ	xyz(17.0575, 16.9909, 51.0858)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674BE #BE8036

analogous

#36B8BE #3674BE #3C36BE

triadic

#3674BE #BE3674 #74BE36

tetradic

#3674BE #BE36B8 #BE8036 #36BE3C

square

#3674BE #BE36B8 #BE8036 #36BE3C

split-complementary

#3674BE #BE3C36 #B8BE36

monochromatic

#1B3A5F #28578E #3674BE #6094D2 #8FB4DF

Accessibility & contrast

On white

4.77

#3674BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3674BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3674BE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674BE	#FFFFFF	#000000	##FFFFFF
##3674BE	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C1

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3674be;
/* rgb */ color: rgb(54, 116, 190);
/* oklch */ color: oklch(55.5% 0.132 254.5);

Tailwind

colors: {
  custom: {
    50: '#7e9bd2',
    500: '#3674be',
    950: '#000000',
  },
}

SCSS

$custom: #3674be;
$custom-light: #7e9bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3674be",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 190
  },
  "hsl": {
    "h": 212.647,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55487,
    "c": 0.13199,
    "h": 254.5
  },
  "luminance": 0.16993
}

Semantic roles & 50–950 ramp

primary

#3674BE

secondary

#CAAB86

accent

#9B49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3674BE

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

Preview Lab → · Contrast checker → · Palette generator →