#3677C9#3677C9

#3677C9 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.143 H 255.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3677C9
RGB	rgb(54, 119, 201)
HSL	hsl(213, 58%, 50%)
HSV	hsv(213, 73%, 79%)
CMYK	cmyk(73.1%, 40.8%, 0%, 21.2%)
CIE-LAB	lab(49.73, 7.27, -48.59)
CIE-LCH	lch(49.73, 49.13, 278.51°)
OKLab	oklab(56.84% -0.0355 -0.1388)
OKLCH	oklch(56.84% 0.143 255.7)
XYZ	xyz(18.6569, 18.1929, 57.7753)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677C9 #C98836

analogous

#36C1C9 #3677C9 #3E36C9

triadic

#3677C9 #C93677 #77C936

tetradic

#3677C9 #C936C1 #C98836 #36C93E

square

#3677C9 #C936C1 #C98836 #36C93E

split-complementary

#3677C9 #C93E36 #C1C936

monochromatic

#1C3E69 #295A99 #3677C9 #6698D6 #96B8E3

Accessibility & contrast

On white

4.53

#3677C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3677C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677C9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677C9	#FFFFFF	#000000	##000000
##3677C9	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507ECC

Deuteranopia (green-blind)

#3870C7

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3677c9;
/* rgb */ color: rgb(54, 119, 201);
/* oklch */ color: oklch(56.8% 0.143 255.7);

Tailwind

colors: {
  custom: {
    50: '#809dda',
    500: '#3677c9',
    950: '#000000',
  },
}

SCSS

$custom: #3677c9;
$custom-light: #809dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3677c9",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 201
  },
  "hsl": {
    "h": 213.469,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.56839,
    "c": 0.14322,
    "h": 255.7
  },
  "luminance": 0.18195
}

Semantic roles & 50–950 ramp

primary

#3677C9

secondary

#CEB18C

accent

#9D47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3677C9

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

Preview Lab → · Contrast checker → · Palette generator →