#3678C0#3678C0

#3678C0 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.130 H 252.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3678C0
RGB	rgb(54, 120, 192)
HSL	hsl(211, 56%, 48%)
HSV	hsv(211, 72%, 75%)
CMYK	cmyk(71.9%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.52, 3.37, -43.76)
CIE-LCH	lch(49.52, 43.89, 274.40°)
OKLab	oklab(56.52% -0.0385 -0.1246)
OKLCH	oklch(56.52% 0.13 252.8)
XYZ	xyz(17.7487, 18.0210, 52.4020)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678C0 #C07E36

analogous

#36BDC0 #3678C0 #3936C0

triadic

#3678C0 #C03678 #78C036

tetradic

#3678C0 #C036BD #C07E36 #36C039

square

#3678C0 #C036BD #C07E36 #36C039

split-complementary

#3678C0 #C03936 #BDC036

monochromatic

#1B3C60 #295A90 #3678C0 #6197D2 #90B6E0

Accessibility & contrast

On white

4.56

#3678C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3678C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3678C0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678C0	#FFFFFF	#000000	##000000
##3678C0	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577DC3

Deuteranopia (green-blind)

#4270BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3678c0;
/* rgb */ color: rgb(54, 120, 192);
/* oklch */ color: oklch(56.5% 0.130 252.8);

Tailwind

colors: {
  custom: {
    50: '#7e9ed3',
    500: '#3678c0',
    950: '#000000',
  },
}

SCSS

$custom: #3678c0;
$custom-light: #7e9ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3678c0",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 211.304,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56516,
    "c": 0.13041,
    "h": 252.8
  },
  "luminance": 0.18023
}

Semantic roles & 50–950 ramp

primary

#3678C0

secondary

#CBAA87

accent

#9748DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3678C0

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

Preview Lab → · Contrast checker → · Palette generator →