#3871AB#3871AB

#3871AB is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.109 H 250.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3871AB
RGB	rgb(56, 113, 171)
HSL	hsl(210, 51%, 45%)
HSV	hsv(210, 67%, 67%)
CMYK	cmyk(67.3%, 33.9%, 0%, 32.9%)
CIE-LAB	lab(46.43, 0.40, -36.48)
CIE-LCH	lch(46.43, 36.48, 270.63°)
OKLab	oklab(53.76% -0.0358 -0.1034)
OKLCH	oklch(53.76% 0.109 250.9)
XYZ	xyz(14.8840, 15.5898, 40.7449)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871AB #AB7238

analogous

#38ABAB #3871AB #3938AB

triadic

#3871AB #AB3871 #71AB38

tetradic

#3871AB #AB38AB #AB7238 #38AB39

square

#3871AB #AB38AB #AB7238 #38AB39

split-complementary

#3871AB #AB3938 #ABAB38

monochromatic

#1A344F #29537D #3871AB #5890C8 #86AED7

Accessibility & contrast

On white

5.10

#3871AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#3871AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871AB

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871AB	#FFFFFF	#000000	##FFFFFF
##3871AB	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5774AD

Deuteranopia (green-blind)

#4769AA

Tritanopia (blue-blind)

#007F86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3871ab;
/* rgb */ color: rgb(56, 113, 171);
/* oklch */ color: oklch(53.8% 0.109 250.9);

Tailwind

colors: {
  custom: {
    50: '#7b99c4',
    500: '#3871ab',
    950: '#000000',
  },
}

SCSS

$custom: #3871ab;
$custom-light: #7b99c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3871ab",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 171
  },
  "hsl": {
    "h": 210.261,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53757,
    "c": 0.10938,
    "h": 250.9
  },
  "luminance": 0.15591
}

Semantic roles & 50–950 ramp

primary

#3871AB

secondary

#C1A07D

accent

#954EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3871AB

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

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