#3879AD#3879AD

#3879AD is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.105 H 245.5°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3879AD
RGB	rgb(56, 121, 173)
HSL	hsl(207, 51%, 45%)
HSV	hsv(207, 68%, 68%)
CMYK	cmyk(67.6%, 30.1%, 0%, 32.2%)
CIE-LAB	lab(48.92, -3.71, -33.73)
CIE-LCH	lch(48.92, 33.93, 263.72°)
OKLab	oklab(55.75% -0.0435 -0.0953)
OKLCH	oklch(55.75% 0.105 245.5)
XYZ	xyz(16.0082, 17.5310, 42.0672)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879AD #AD6C38

analogous

#38ADA7 #3879AD #383EAD

triadic

#3879AD #AD3879 #79AD38

tetradic

#3879AD #A738AD #AD6C38 #3EAD38

square

#3879AD #A738AD #AD6C38 #3EAD38

split-complementary

#3879AD #AD383E #ADA738

monochromatic

#1A3851 #29597F #3879AD #5997C9 #87B4D8

Accessibility & contrast

On white

4.66

#3879AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#3879AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3879AD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879AD	#FFFFFF	#000000	##FFFFFF
##3879AD	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAF

Deuteranopia (green-blind)

#526FAC

Tritanopia (blue-blind)

#00868B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3879ad;
/* rgb */ color: rgb(56, 121, 173);
/* oklch */ color: oklch(55.7% 0.105 245.5);

Tailwind

colors: {
  custom: {
    50: '#7b9fc5',
    500: '#3879ad',
    950: '#000000',
  },
}

SCSS

$custom: #3879ad;
$custom-light: #7b9fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3879ad",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 173
  },
  "hsl": {
    "h": 206.667,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55749,
    "c": 0.10475,
    "h": 245.5
  },
  "luminance": 0.17533
}

Semantic roles & 50–950 ramp

primary

#3879AD

secondary

#C29D7F

accent

#8C4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3879AD

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

Preview Lab → · Contrast checker → · Palette generator →