#3677B7#3677B7

#3677B7 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.120 H 250.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3677B7
RGB	rgb(54, 119, 183)
HSL	hsl(210, 54%, 46%)
HSV	hsv(210, 70%, 72%)
CMYK	cmyk(70.5%, 35%, 0%, 28.2%)
CIE-LAB	lab(48.75, 0.72, -39.79)
CIE-LCH	lch(48.75, 39.80, 271.04°)
OKLab	oklab(55.76% -0.0399 -0.113)
OKLCH	oklch(55.76% 0.12 250.6)
XYZ	xyz(16.6622, 17.3950, 47.2700)
Luminance	0.1740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677B7 #B77636

analogous

#36B7B7 #3677B7 #3637B7

triadic

#3677B7 #B73677 #77B736

tetradic

#3677B7 #B736B7 #B77636 #37B736

square

#3677B7 #B736B7 #B77636 #37B736

split-complementary

#3677B7 #B73637 #B7B736

monochromatic

#1A3A58 #285888 #3677B7 #5B96CF #8BB4DD

Accessibility & contrast

On white

4.69

#3677B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3677B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3677B7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677B7	#FFFFFF	#000000	##FFFFFF
##3677B7	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7ABA

Deuteranopia (green-blind)

#486EB6

Tritanopia (blue-blind)

#00868E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3677b7;
/* rgb */ color: rgb(54, 119, 183);
/* oklch */ color: oklch(55.8% 0.120 250.6);

Tailwind

colors: {
  custom: {
    50: '#7c9dcd',
    500: '#3677b7',
    950: '#000000',
  },
}

SCSS

$custom: #3677b7;
$custom-light: #7c9dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3677b7",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 183
  },
  "hsl": {
    "h": 209.767,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5576,
    "c": 0.11983,
    "h": 250.6
  },
  "luminance": 0.17397
}

Semantic roles & 50–950 ramp

primary

#3677B7

secondary

#C7A482

accent

#934ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3677B7

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

Preview Lab → · Contrast checker → · Palette generator →