#3677C0#3677C0

#3677C0 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.131 H 253.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3677C0
RGB	rgb(54, 119, 192)
HSL	hsl(212, 56%, 48%)
HSV	hsv(212, 72%, 75%)
CMYK	cmyk(71.9%, 38%, 0%, 24.7%)
CIE-LAB	lab(49.23, 3.98, -44.23)
CIE-LCH	lch(49.23, 44.41, 275.14°)
OKLab	oklab(56.29% -0.0376 -0.126)
OKLCH	oklch(56.29% 0.131 253.4)
XYZ	xyz(17.6290, 17.7818, 52.3621)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677C0 #C07F36

analogous

#36BCC0 #3677C0 #3A36C0

triadic

#3677C0 #C03677 #77C036

tetradic

#3677C0 #C036BC #C07F36 #36C03A

square

#3677C0 #C036BC #C07F36 #36C03A

split-complementary

#3677C0 #C03A36 #BCC036

monochromatic

#1B3C60 #295990 #3677C0 #6196D2 #90B6E0

Accessibility & contrast

On white

4.61

#3677C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3677C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3677C0

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677C0	#FFFFFF	#000000	##FFFFFF
##3677C0	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557CC3

Deuteranopia (green-blind)

#416FBF

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3677c0;
/* rgb */ color: rgb(54, 119, 192);
/* oklch */ color: oklch(56.3% 0.131 253.4);

Tailwind

colors: {
  custom: {
    50: '#7e9dd3',
    500: '#3677c0',
    950: '#000000',
  },
}

SCSS

$custom: #3677c0;
$custom-light: #7e9dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3677c0",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 192
  },
  "hsl": {
    "h": 211.739,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56288,
    "c": 0.13144,
    "h": 253.4
  },
  "luminance": 0.17784
}

Semantic roles & 50–950 ramp

primary

#3677C0

secondary

#CBAB87

accent

#9848DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3677C0

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

Preview Lab → · Contrast checker → · Palette generator →