#3679AA#3679AA

#3679AA is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.102 H 243.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3679AA
RGB	rgb(54, 121, 170)
HSL	hsl(205, 52%, 44%)
HSV	hsv(205, 68%, 67%)
CMYK	cmyk(68.2%, 28.8%, 0%, 33.3%)
CIE-LAB	lab(48.71, -5.10, -32.32)
CIE-LCH	lch(48.71, 32.72, 261.04°)
OKLab	oklab(55.52% -0.0458 -0.0912)
OKLCH	oklch(55.52% 0.102 243.3)
XYZ	xyz(15.6116, 17.3596, 40.5504)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679AA #AA6736

analogous

#36AAA1 #3679AA #363FAA

triadic

#3679AA #AA3679 #79AA36

tetradic

#3679AA #A136AA #AA6736 #3FAA36

square

#3679AA #A136AA #AA6736 #3FAA36

split-complementary

#3679AA #AA363F #AAA136

monochromatic

#18374D #27587C #3679AA #5498C9 #83B4D8

Accessibility & contrast

On white

4.70

#3679AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3679AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3679AA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679AA	#FFFFFF	#000000	##FFFFFF
##3679AA	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637AAC

Deuteranopia (green-blind)

#536FA9

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3679aa;
/* rgb */ color: rgb(54, 121, 170);
/* oklch */ color: oklch(55.5% 0.102 243.3);

Tailwind

colors: {
  custom: {
    50: '#7a9fc3',
    500: '#3679aa',
    950: '#000000',
  },
}

SCSS

$custom: #3679aa;
$custom-light: #7a9fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3679aa",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 170
  },
  "hsl": {
    "h": 205.345,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55515,
    "c": 0.10207,
    "h": 243.3
  },
  "luminance": 0.17361
}

Semantic roles & 50–950 ramp

primary

#3679AA

secondary

#C1987B

accent

#894DDB

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3679AA

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

Preview Lab → · Contrast checker → · Palette generator →