#3987A4#3987A4

#3987A4 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.087 H 225.8°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3987A4
RGB	rgb(57, 135, 164)
HSL	hsl(196, 48%, 43%)
HSV	hsv(196, 65%, 64%)
CMYK	cmyk(65.2%, 17.7%, 0%, 35.7%)
CIE-LAB	lab(52.81, -14.63, -22.47)
CIE-LCH	lch(52.81, 26.81, 236.94°)
OKLab	oklab(58.72% -0.061 -0.0627)
OKLCH	oklch(58.72% 0.088 225.8)
XYZ	xyz(17.0495, 20.8764, 38.2458)
Luminance	0.2088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987A4 #A45639

analogous

#39A48B #3987A4 #3951A4

triadic

#3987A4 #A43987 #87A439

tetradic

#3987A4 #8B39A4 #A45639 #51A439

square

#3987A4 #8B39A4 #A45639 #51A439

split-complementary

#3987A4 #A43951 #A48B39

monochromatic

#193C49 #296277 #3987A4 #56A6C4 #83BED4

Accessibility & contrast

On white

4.06

#3987A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3987A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987A4

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987A4	#FFFFFF	#000000	##000000
##3987A4	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7784A5

Deuteranopia (green-blind)

#6879A4

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3987a4;
/* rgb */ color: rgb(57, 135, 164);
/* oklch */ color: oklch(58.7% 0.087 225.8);

Tailwind

colors: {
  custom: {
    50: '#7baabf',
    500: '#3987a4',
    950: '#000000',
  },
}

SCSS

$custom: #3987a4;
$custom-light: #7baabf;
$custom-dark: #000000;

JSON

{
  "hex": "#3987a4",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 164
  },
  "hsl": {
    "h": 196.262,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5872,
    "c": 0.0875,
    "h": 225.8
  },
  "luminance": 0.20878
}

Semantic roles & 50–950 ramp

primary

#3987A4

secondary

#BE8D7B

accent

#7550D8

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3987A4

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

Preview Lab → · Contrast checker → · Palette generator →