#3878A2#3878A2

#3878A2 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.093 H 240.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3878A2
RGB	rgb(56, 120, 162)
HSL	hsl(204, 49%, 43%)
HSV	hsv(204, 65%, 64%)
CMYK	cmyk(65.4%, 25.9%, 0%, 36.5%)
CIE-LAB	lab(48.11, -6.94, -28.59)
CIE-LCH	lch(48.11, 29.42, 256.36°)
OKLab	oklab(54.94% -0.0461 -0.0804)
OKLCH	oklch(54.94% 0.093 240.2)
XYZ	xyz(14.8665, 16.8808, 36.6503)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3878A2 #A26238

analogous

#38A297 #3878A2 #3843A2

triadic

#3878A2 #A23878 #78A238

tetradic

#3878A2 #9738A2 #A26238 #43A238

square

#3878A2 #9738A2 #A26238 #43A238

split-complementary

#3878A2 #A23843 #A29738

monochromatic

#193547 #285675 #3878A2 #5397C4 #81B3D3

Accessibility & contrast

On white

4.80

#3878A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3878A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3878A2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3878A2	#FFFFFF	#000000	##FFFFFF
##3878A2	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6578A4

Deuteranopia (green-blind)

#566EA1

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3878a2;
/* rgb */ color: rgb(56, 120, 162);
/* oklch */ color: oklch(54.9% 0.093 240.2);

Tailwind

colors: {
  custom: {
    50: '#7a9ebd',
    500: '#3878a2',
    950: '#000000',
  },
}

SCSS

$custom: #3878a2;
$custom-light: #7a9ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#3878a2",
  "rgb": {
    "r": 56,
    "g": 120,
    "b": 162
  },
  "hsl": {
    "h": 203.774,
    "s": 48.624,
    "l": 42.745
  },
  "oklch": {
    "l": 0.54938,
    "c": 0.09265,
    "h": 240.2
  },
  "luminance": 0.16882
}

Semantic roles & 50–950 ramp

primary

#3878A2

secondary

#BD9479

accent

#8650D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3878A2

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

Preview Lab → · Contrast checker → · Palette generator →