#3871AA#3871AA

#3871AA is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.7% C 0.108 H 250.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3871AA
RGB	rgb(56, 113, 170)
HSL	hsl(210, 50%, 44%)
HSV	hsv(210, 67%, 67%)
CMYK	cmyk(67.1%, 33.5%, 0%, 33.3%)
CIE-LAB	lab(46.38, 0.05, -35.98)
CIE-LCH	lch(46.38, 35.98, 270.07°)
OKLab	oklab(53.7% -0.036 -0.1019)
OKLCH	oklch(53.7% 0.108 250.5)
XYZ	xyz(14.7890, 15.5518, 40.2448)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3871AA #AA7138

analogous

#38AAAA #3871AA #3838AA

triadic

#3871AA #AA3871 #71AA38

tetradic

#3871AA #AA38AA #AA7138 #38AA38

square

#3871AA #AA38AA #AA7138 #38AA38

split-complementary

#3871AA #AA3838 #AAAA38

monochromatic

#1A344E #29527C #3871AA #5790C8 #85AED7

Accessibility & contrast

On white

5.11

#3871AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3871AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3871AA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3871AA	#FFFFFF	#000000	##FFFFFF
##3871AA	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5874AC

Deuteranopia (green-blind)

#4869A9

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3871aa;
/* rgb */ color: rgb(56, 113, 170);
/* oklch */ color: oklch(53.7% 0.108 250.5);

Tailwind

colors: {
  custom: {
    50: '#7b99c3',
    500: '#3871aa',
    950: '#000000',
  },
}

SCSS

$custom: #3871aa;
$custom-light: #7b99c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3871aa",
  "rgb": {
    "r": 56,
    "g": 113,
    "b": 170
  },
  "hsl": {
    "h": 210,
    "s": 50.442,
    "l": 44.314
  },
  "oklch": {
    "l": 0.53701,
    "c": 0.10809,
    "h": 250.5
  },
  "luminance": 0.15553
}

Semantic roles & 50–950 ramp

primary

#3871AA

secondary

#C19F7D

accent

#944EDA

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3871AA

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

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