#3678AF#3678AF

#3678AF is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.5% C 0.109 H 246.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3678AF
RGB	rgb(54, 120, 175)
HSL	hsl(207, 53%, 45%)
HSV	hsv(207, 69%, 69%)
CMYK	cmyk(69.1%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(48.65, -2.74, -35.33)
CIE-LCH	lch(48.65, 35.43, 265.56°)
OKLab	oklab(55.55% -0.0432 -0.0999)
OKLCH	oklch(55.55% 0.109 246.6)
XYZ	xyz(15.9727, 17.3107, 43.0486)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678AF #AF6D36

analogous

#36AFAA #3678AF #363BAF

triadic

#3678AF #AF3678 #78AF36

tetradic

#3678AF #AA36AF #AF6D36 #3BAF36

square

#3678AF #AA36AF #AF6D36 #3BAF36

split-complementary

#3678AF #AF363B #AFAA36

monochromatic

#193851 #285880 #3678AF #5796CB #86B4DA

Accessibility & contrast

On white

4.71

#3678AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3678AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3678AF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678AF	#FFFFFF	#000000	##FFFFFF
##3678AF	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB1

Deuteranopia (green-blind)

#4F6EAE

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3678af;
/* rgb */ color: rgb(54, 120, 175);
/* oklch */ color: oklch(55.5% 0.109 246.6);

Tailwind

colors: {
  custom: {
    50: '#7b9ec7',
    500: '#3678af',
    950: '#000000',
  },
}

SCSS

$custom: #3678af;
$custom-light: #7b9ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3678af",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 207.273,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55546,
    "c": 0.10889,
    "h": 246.6
  },
  "luminance": 0.17312
}

Semantic roles & 50–950 ramp

primary

#3678AF

secondary

#C39D7D

accent

#8D4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3678AF

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

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