#3671B9#3671B9

#3671B9 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.5% C 0.129 H 254.9°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3671B9
RGB	rgb(54, 113, 185)
HSL	hsl(213, 55%, 47%)
HSV	hsv(213, 71%, 73%)
CMYK	cmyk(70.8%, 38.9%, 0%, 27.5%)
CIE-LAB	lab(47.10, 5.13, -43.57)
CIE-LCH	lch(47.10, 43.87, 276.71°)
OKLab	oklab(54.5% -0.0336 -0.1241)
OKLCH	oklch(54.5% 0.129 254.9)
XYZ	xyz(16.1802, 16.0956, 48.1436)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671B9 #B97E36

analogous

#36B3B9 #3671B9 #3C36B9

triadic

#3671B9 #B93671 #71B936

tetradic

#3671B9 #B936B3 #B97E36 #36B93C

square

#3671B9 #B936B3 #B97E36 #36B93C

split-complementary

#3671B9 #B93C36 #B3B936

monochromatic

#1A375A #28548A #3671B9 #5D90D0 #8CB1DD

Accessibility & contrast

On white

4.98

#3671B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3671B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671B9

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671B9	#FFFFFF	#000000	##FFFFFF
##3671B9	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5076BC

Deuteranopia (green-blind)

#3C6AB8

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3671b9;
/* rgb */ color: rgb(54, 113, 185);
/* oklch */ color: oklch(54.5% 0.129 254.9);

Tailwind

colors: {
  custom: {
    50: '#7d99ce',
    500: '#3671b9',
    950: '#000000',
  },
}

SCSS

$custom: #3671b9;
$custom-light: #7d99ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3671b9",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 185
  },
  "hsl": {
    "h": 212.977,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54501,
    "c": 0.12859,
    "h": 254.9
  },
  "luminance": 0.16097
}

Semantic roles & 50–950 ramp

primary

#3671B9

secondary

#C8A983

accent

#9B4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3671B9

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

Preview Lab → · Contrast checker → · Palette generator →