#3677C7#3677C7

#3677C7 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.141 H 255.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3677C7
RGB	rgb(54, 119, 199)
HSL	hsl(213, 57%, 50%)
HSV	hsv(213, 73%, 78%)
CMYK	cmyk(72.9%, 40.2%, 0%, 22%)
CIE-LAB	lab(49.62, 6.53, -47.63)
CIE-LCH	lch(49.62, 48.07, 277.81°)
OKLab	oklab(56.72% -0.0359 -0.1359)
OKLCH	oklch(56.72% 0.141 255.2)
XYZ	xyz(18.4231, 18.0994, 56.5443)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677C7 #C78636

analogous

#36C0C7 #3677C7 #3D36C7

triadic

#3677C7 #C73677 #77C736

tetradic

#3677C7 #C736C0 #C78636 #36C73D

square

#3677C7 #C736C0 #C78636 #36C73D

split-complementary

#3677C7 #C73D36 #C0C736

monochromatic

#1C3D67 #295A97 #3677C7 #6597D5 #95B8E2

Accessibility & contrast

On white

4.55

#3677C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3677C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677C7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677C7	#FFFFFF	#000000	##000000
##3677C7	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517DCA

Deuteranopia (green-blind)

#3A70C5

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3677c7;
/* rgb */ color: rgb(54, 119, 199);
/* oklch */ color: oklch(56.7% 0.141 255.2);

Tailwind

colors: {
  custom: {
    50: '#7f9dd8',
    500: '#3677c7',
    950: '#000000',
  },
}

SCSS

$custom: #3677c7;
$custom-light: #7f9dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3677c7",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 199
  },
  "hsl": {
    "h": 213.103,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56715,
    "c": 0.1406,
    "h": 255.2
  },
  "luminance": 0.18101
}

Semantic roles & 50–950 ramp

primary

#3677C7

secondary

#CEB08B

accent

#9C47E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3677C7

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

Preview Lab → · Contrast checker → · Palette generator →