#3879AC#3879AC

#3879AC is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.104 H 245.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3879AC
RGB	rgb(56, 121, 172)
HSL	hsl(206, 51%, 45%)
HSV	hsv(206, 67%, 67%)
CMYK	cmyk(67.4%, 29.7%, 0%, 32.5%)
CIE-LAB	lab(48.87, -4.06, -33.22)
CIE-LCH	lch(48.87, 33.47, 263.03°)
OKLab	oklab(55.7% -0.0438 -0.0938)
OKLCH	oklch(55.7% 0.104 245)
XYZ	xyz(15.9118, 17.4924, 41.5595)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3879AC #AC6B38

analogous

#38ACA5 #3879AC #383FAC

triadic

#3879AC #AC3879 #79AC38

tetradic

#3879AC #A538AC #AC6B38 #3FAC38

square

#3879AC #A538AC #AC6B38 #3FAC38

split-complementary

#3879AC #AC383F #ACA538

monochromatic

#1A3850 #29597E #3879AC #5897C9 #87B4D8

Accessibility & contrast

On white

4.67

#3879AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3879AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3879AC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3879AC	#FFFFFF	#000000	##FFFFFF
##3879AC	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627AAE

Deuteranopia (green-blind)

#526FAB

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3879ac;
/* rgb */ color: rgb(56, 121, 172);
/* oklch */ color: oklch(55.7% 0.104 245.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3879ac",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 172
  },
  "hsl": {
    "h": 206.379,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55696,
    "c": 0.10354,
    "h": 245
  },
  "luminance": 0.17494
}

Semantic roles & 50–950 ramp

primary

#3879AC

secondary

#C29C7E

accent

#8B4DDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3879AC

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

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