#3871B2#3871B2

#3871B2 is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 54.2% C 0.119 H 253.4°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3871B2
RGB	rgb(56, 113, 178)
HSL	hsl(212, 52%, 46%)
HSV	hsv(212, 69%, 70%)
CMYK	cmyk(68.5%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(46.80, 2.91, -39.99)
CIE-LCH	lch(46.80, 40.10, 274.16°)
OKLab	oklab(54.16% -0.0339 -0.1136)
OKLCH	oklch(54.16% 0.119 253.4)
XYZ	xyz(15.5689, 15.8637, 44.3524)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871B2 #B27938

analogous

#38AEB2 #3871B2 #3C38B2

triadic

#3871B2 #B23871 #71B238

tetradic

#3871B2 #B238AE #B27938 #38B23C

square

#3871B2 #B238AE #B27938 #38B23C

split-complementary

#3871B2 #B23C38 #AEB238

monochromatic

#1B3655 #295383 #3871B2 #5C90CC #8AB0DA

Accessibility & contrast

On white

5.03

#3871B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3871B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871B2

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871B2	#FFFFFF	#000000	##FFFFFF
##3871B2	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5475B5

Deuteranopia (green-blind)

#426AB1

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3871b2;
/* rgb */ color: rgb(56, 113, 178);
/* oklch */ color: oklch(54.2% 0.119 253.4);

Tailwind

colors: {
  custom: {
    50: '#7c99c9',
    500: '#3871b2',
    950: '#000000',
  },
}

SCSS

$custom: #3871b2;
$custom-light: #7c99c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3871b2",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 211.967,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54161,
    "c": 0.11856,
    "h": 253.4
  },
  "luminance": 0.15865
}

Semantic roles & 50–950 ramp

primary

#3871B2

secondary

#C5A581

accent

#994CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3871B2

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

Preview Lab → · Contrast checker → · Palette generator →