#3879A5#3879A5

#3879A5 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.095 H 241.1°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3879A5
RGB	rgb(56, 121, 165)
HSL	hsl(204, 49%, 43%)
HSV	hsv(204, 66%, 65%)
CMYK	cmyk(66.1%, 26.7%, 0%, 35.3%)
CIE-LAB	lab(48.55, -6.49, -29.66)
CIE-LCH	lch(48.55, 30.36, 257.65°)
OKLab	oklab(55.33% -0.0461 -0.0835)
OKLCH	oklch(55.33% 0.095 241.1)
XYZ	xyz(15.2572, 17.2305, 38.1118)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879A5 #A56438

analogous

#38A59A #3879A5 #3843A5

triadic

#3879A5 #A53879 #79A538

tetradic

#3879A5 #9A38A5 #A56438 #43A538

square

#3879A5 #9A38A5 #A56438 #43A538

split-complementary

#3879A5 #A53843 #A59A38

monochromatic

#19364A #285777 #3879A5 #5598C5 #83B4D5

Accessibility & contrast

On white

4.72

#3879A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3879A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3879A5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879A5	#FFFFFF	#000000	##FFFFFF
##3879A5	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A7

Deuteranopia (green-blind)

#566FA4

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3879a5;
/* rgb */ color: rgb(56, 121, 165);
/* oklch */ color: oklch(55.3% 0.095 241.1);

Tailwind

colors: {
  custom: {
    50: '#7a9fc0',
    500: '#3879a5',
    950: '#000000',
  },
}

SCSS

$custom: #3879a5;
$custom-light: #7a9fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3879a5",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 165
  },
  "hsl": {
    "h": 204.22,
    "s": 49.321,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55331,
    "c": 0.09536,
    "h": 241.1
  },
  "luminance": 0.17232
}

Semantic roles & 50–950 ramp

primary

#3879A5

secondary

#BE967A

accent

#874FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3879A5

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

Preview Lab → · Contrast checker → · Palette generator →