#3673B8#3673B8

#3673B8 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.125 H 253.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3673B8
RGB	rgb(54, 115, 184)
HSL	hsl(212, 55%, 47%)
HSV	hsv(212, 71%, 72%)
CMYK	cmyk(70.7%, 37.5%, 0%, 27.8%)
CIE-LAB	lab(47.63, 3.53, -42.15)
CIE-LCH	lch(47.63, 42.30, 274.79°)
OKLab	oklab(54.9% -0.0357 -0.1199)
OKLCH	oklch(54.9% 0.125 253.4)
XYZ	xyz(16.3006, 16.5047, 47.6648)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673B8 #B87B36

analogous

#36B4B8 #3673B8 #3A36B8

triadic

#3673B8 #B83673 #73B836

tetradic

#3673B8 #B836B4 #B87B36 #36B83A

square

#3673B8 #B836B4 #B87B36 #36B83A

split-complementary

#3673B8 #B83A36 #B4B836

monochromatic

#1A3859 #285589 #3673B8 #5C92CF #8BB2DD

Accessibility & contrast

On white

4.88

#3673B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3673B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673B8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673B8	#FFFFFF	#000000	##FFFFFF
##3673B8	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BB

Deuteranopia (green-blind)

#406BB7

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3673b8;
/* rgb */ color: rgb(54, 115, 184);
/* oklch */ color: oklch(54.9% 0.125 253.4);

Tailwind

colors: {
  custom: {
    50: '#7c9acd',
    500: '#3673b8',
    950: '#000000',
  },
}

SCSS

$custom: #3673b8;
$custom-light: #7c9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3673b8",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 211.846,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54897,
    "c": 0.12516,
    "h": 253.4
  },
  "luminance": 0.16506
}

Semantic roles & 50–950 ramp

primary

#3673B8

secondary

#C7A782

accent

#984ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3673B8

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

Preview Lab → · Contrast checker → · Palette generator →