#3671BF#3671BF

#3671BF is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.9% C 0.137 H 256.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3671BF
RGB	rgb(54, 113, 191)
HSL	hsl(214, 56%, 48%)
HSV	hsv(214, 72%, 75%)
CMYK	cmyk(71.7%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(47.44, 7.32, -46.51)
CIE-LCH	lch(47.44, 47.08, 278.95°)
OKLab	oklab(54.87% -0.0322 -0.1327)
OKLCH	oklch(54.87% 0.137 256.4)
XYZ	xyz(16.8270, 16.3543, 51.5500)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671BF #BF8436

analogous

#36B5BF #3671BF #4036BF

triadic

#3671BF #BF3671 #71BF36

tetradic

#3671BF #BF36B5 #BF8436 #36BF40

square

#3671BF #BF36B5 #BF8436 #36BF40

split-complementary

#3671BF #BF4036 #B5BF36

monochromatic

#1B3960 #29558F #3671BF #6091D2 #90B2E0

Accessibility & contrast

On white

4.92

#3671BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3671BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671BF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671BF	#FFFFFF	#000000	##FFFFFF
##3671BF	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C2

Deuteranopia (green-blind)

#366BBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3671bf;
/* rgb */ color: rgb(54, 113, 191);
/* oklch */ color: oklch(54.9% 0.137 256.4);

Tailwind

colors: {
  custom: {
    50: '#7e99d3',
    500: '#3671bf',
    950: '#000000',
  },
}

SCSS

$custom: #3671bf;
$custom-light: #7e99d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3671bf",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 214.161,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.13658,
    "h": 256.4
  },
  "luminance": 0.16356
}

Semantic roles & 50–950 ramp

primary

#3671BF

secondary

#CAAD87

accent

#9E49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3671BF

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

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