#3671B8#3671B8

#3671B8 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.127 H 254.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3671B8
RGB	rgb(54, 113, 184)
HSL	hsl(213, 55%, 47%)
HSV	hsv(213, 71%, 72%)
CMYK	cmyk(70.7%, 38.6%, 0%, 27.8%)
CIE-LAB	lab(47.04, 4.76, -43.08)
CIE-LCH	lch(47.04, 43.34, 276.31°)
OKLab	oklab(54.44% -0.0338 -0.1227)
OKLCH	oklch(54.44% 0.127 254.6)
XYZ	xyz(16.0750, 16.0535, 47.5896)
Luminance	0.1605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671B8 #B87D36

analogous

#36B2B8 #3671B8 #3C36B8

triadic

#3671B8 #B83671 #71B836

tetradic

#3671B8 #B836B2 #B87D36 #36B83C

square

#3671B8 #B836B2 #B87D36 #36B83C

split-complementary

#3671B8 #B83C36 #B2B836

monochromatic

#1A3759 #285489 #3671B8 #5C90CF #8BB0DD

Accessibility & contrast

On white

4.99

#3671B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3671B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671B8

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671B8	#FFFFFF	#000000	##FFFFFF
##3671B8	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5076BB

Deuteranopia (green-blind)

#3D6AB7

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3671b8;
/* rgb */ color: rgb(54, 113, 184);
/* oklch */ color: oklch(54.4% 0.127 254.6);

Tailwind

colors: {
  custom: {
    50: '#7c99ce',
    500: '#3671b8',
    950: '#000000',
  },
}

SCSS

$custom: #3671b8;
$custom-light: #7c99ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3671b8",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 184
  },
  "hsl": {
    "h": 212.769,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5444,
    "c": 0.12727,
    "h": 254.6
  },
  "luminance": 0.16055
}

Semantic roles & 50–950 ramp

primary

#3671B8

secondary

#C7A882

accent

#9B4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3671B8

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

Preview Lab → · Contrast checker → · Palette generator →