#3987A7#3987A7

#3987A7 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.9% C 0.090 H 228.3°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3987A7
RGB	rgb(57, 135, 167)
HSL	hsl(197, 49%, 44%)
HSV	hsv(197, 66%, 65%)
CMYK	cmyk(65.9%, 19.2%, 0%, 34.5%)
CIE-LAB	lab(52.93, -13.64, -24.02)
CIE-LCH	lch(52.93, 27.62, 240.40°)
OKLab	oklab(58.86% -0.0598 -0.0671)
OKLCH	oklch(58.86% 0.09 228.3)
XYZ	xyz(17.3236, 20.9860, 39.6894)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987A7 #A75939

analogous

#39A790 #3987A7 #3950A7

triadic

#3987A7 #A73987 #87A739

tetradic

#3987A7 #9039A7 #A75939 #50A739

square

#3987A7 #9039A7 #A75939 #50A739

split-complementary

#3987A7 #A73950 #A79039

monochromatic

#1A3D4C #296279 #3987A7 #57A6C6 #85BED5

Accessibility & contrast

On white

4.04

#3987A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3987A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987A7

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987A7	#FFFFFF	#000000	##000000
##3987A7	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7685A9

Deuteranopia (green-blind)

#6779A7

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3987a7;
/* rgb */ color: rgb(57, 135, 167);
/* oklch */ color: oklch(58.9% 0.090 228.3);

Tailwind

colors: {
  custom: {
    50: '#7caac1',
    500: '#3987a7',
    950: '#000000',
  },
}

SCSS

$custom: #3987a7;
$custom-light: #7caac1;
$custom-dark: #000000;

JSON

{
  "hex": "#3987a7",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 167
  },
  "hsl": {
    "h": 197.455,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.58855,
    "c": 0.08994,
    "h": 228.3
  },
  "luminance": 0.20988
}

Semantic roles & 50–950 ramp

primary

#3987A7

secondary

#BF907D

accent

#774FD9

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3987A7

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

Preview Lab → · Contrast checker → · Palette generator →