#3677BA#3677BA

#3677BA is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.9% C 0.124 H 251.6°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3677BA
RGB	rgb(54, 119, 186)
HSL	hsl(210, 55%, 47%)
HSV	hsv(210, 71%, 73%)
CMYK	cmyk(71%, 36%, 0%, 27.1%)
CIE-LAB	lab(48.91, 1.80, -41.28)
CIE-LCH	lch(48.91, 41.32, 272.50°)
OKLab	oklab(55.93% -0.0391 -0.1173)
OKLCH	oklch(55.93% 0.124 251.6)
XYZ	xyz(16.9778, 17.5213, 48.9320)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3677BA #BA7936

analogous

#36B9BA #3677BA #3736BA

triadic

#3677BA #BA3677 #77BA36

tetradic

#3677BA #BA36B9 #BA7936 #36BA37

square

#3677BA #BA36B9 #BA7936 #36BA37

split-complementary

#3677BA #BA3736 #B9BA36

monochromatic

#1A3A5B #28598B #3677BA #5D96D0 #8DB5DE

Accessibility & contrast

On white

4.66

#3677BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3677BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3677BA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3677BA	#FFFFFF	#000000	##FFFFFF
##3677BA	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBD

Deuteranopia (green-blind)

#466FB9

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3677ba;
/* rgb */ color: rgb(54, 119, 186);
/* oklch */ color: oklch(55.9% 0.124 251.6);

Tailwind

colors: {
  custom: {
    50: '#7d9dcf',
    500: '#3677ba',
    950: '#000000',
  },
}

SCSS

$custom: #3677ba;
$custom-light: #7d9dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3677ba",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 186
  },
  "hsl": {
    "h": 210.455,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55933,
    "c": 0.12368,
    "h": 251.6
  },
  "luminance": 0.17523
}

Semantic roles & 50–950 ramp

primary

#3677BA

secondary

#C8A684

accent

#9549DE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3677BA

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

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