#3678AA#3678AA

#3678AA is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.103 H 244.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3678AA
RGB	rgb(54, 120, 170)
HSL	hsl(206, 52%, 44%)
HSV	hsv(206, 68%, 67%)
CMYK	cmyk(68.2%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(48.41, -4.51, -32.80)
CIE-LCH	lch(48.41, 33.11, 262.18°)
OKLab	oklab(55.28% -0.0448 -0.0926)
OKLCH	oklch(55.28% 0.103 244.2)
XYZ	xyz(15.4907, 17.1179, 40.5101)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678AA #AA6836

analogous

#36AAA2 #3678AA #363EAA

triadic

#3678AA #AA3678 #78AA36

tetradic

#3678AA #A236AA #AA6836 #3EAA36

square

#3678AA #A236AA #AA6836 #3EAA36

split-complementary

#3678AA #AA363E #AAA236

monochromatic

#18364D #27577C #3678AA #5497C9 #83B3D8

Accessibility & contrast

On white

4.75

#3678AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3678AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3678AA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678AA	#FFFFFF	#000000	##FFFFFF
##3678AA	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6279AC

Deuteranopia (green-blind)

#526EA9

Tritanopia (blue-blind)

#00848A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3678aa;
/* rgb */ color: rgb(54, 120, 170);
/* oklch */ color: oklch(55.3% 0.103 244.2);

Tailwind

colors: {
  custom: {
    50: '#7a9ec3',
    500: '#3678aa',
    950: '#000000',
  },
}

SCSS

$custom: #3678aa;
$custom-light: #7a9ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3678aa",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 205.862,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55276,
    "c": 0.10285,
    "h": 244.2
  },
  "luminance": 0.17119
}

Semantic roles & 50–950 ramp

primary

#3678AA

secondary

#C1997B

accent

#8A4DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3678AA

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

Preview Lab → · Contrast checker → · Palette generator →