#3678AE#3678AE

#3678AE is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.5% C 0.108 H 246.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3678AE
RGB	rgb(54, 120, 174)
HSL	hsl(207, 53%, 45%)
HSV	hsv(207, 69%, 68%)
CMYK	cmyk(69%, 31%, 0%, 31.8%)
CIE-LAB	lab(48.60, -3.09, -34.82)
CIE-LCH	lch(48.60, 34.96, 264.92°)
OKLab	oklab(55.49% -0.0435 -0.0985)
OKLCH	oklch(55.49% 0.108 246.2)
XYZ	xyz(15.8749, 17.2715, 42.5333)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678AE #AE6C36

analogous

#36AEA8 #3678AE #363CAE

triadic

#3678AE #AE3678 #78AE36

tetradic

#3678AE #A836AE #AE6C36 #3CAE36

square

#3678AE #A836AE #AE6C36 #3CAE36

split-complementary

#3678AE #AE363C #AEA836

monochromatic

#193851 #28587F #3678AE #5696CB #85B3D9

Accessibility & contrast

On white

4.71

#3678AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3678AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3678AE

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678AE	#FFFFFF	#000000	##FFFFFF
##3678AE	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607AB0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3678ae;
/* rgb */ color: rgb(54, 120, 174);
/* oklch */ color: oklch(55.5% 0.108 246.2);

Tailwind

colors: {
  custom: {
    50: '#7b9ec6',
    500: '#3678ae',
    950: '#000000',
  },
}

SCSS

$custom: #3678ae;
$custom-light: #7b9ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3678ae",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 207,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55491,
    "c": 0.10767,
    "h": 246.2
  },
  "luminance": 0.17273
}

Semantic roles & 50–950 ramp

primary

#3678AE

secondary

#C39C7D

accent

#8D4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3678AE

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

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