#3677BF#3677BF

#3677BF is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.130 H 253.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3677BF
RGB	rgb(54, 119, 191)
HSL	hsl(212, 56%, 48%)
HSV	hsv(212, 72%, 75%)
CMYK	cmyk(71.7%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(49.18, 3.62, -43.74)
CIE-LCH	lch(49.18, 43.89, 274.73°)
OKLab	oklab(56.23% -0.0378 -0.1245)
OKLCH	oklch(56.23% 0.13 253.1)
XYZ	xyz(17.5186, 17.7376, 51.7805)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677BF #BF7E36

analogous

#36BBBF #3677BF #3A36BF

triadic

#3677BF #BF3677 #77BF36

tetradic

#3677BF #BF36BB #BF7E36 #36BF3A

square

#3677BF #BF36BB #BF7E36 #36BF3A

split-complementary

#3677BF #BF3A36 #BBBF36

monochromatic

#1B3C60 #29598F #3677BF #6096D2 #90B6E0

Accessibility & contrast

On white

4.62

#3677BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3677BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3677BF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#567CC2

Deuteranopia (green-blind)

#416FBE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3677bf;
/* rgb */ color: rgb(54, 119, 191);
/* oklch */ color: oklch(56.2% 0.130 253.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3677bf",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 211.533,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.56228,
    "c": 0.13014,
    "h": 253.1
  },
  "luminance": 0.1774
}

Semantic roles & 50–950 ramp

primary

#3677BF

secondary

#CAAA87

accent

#9849DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3677BF

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

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