#3987A5#3987A5

#3987A5 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.8% C 0.088 H 226.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3987A5
RGB	rgb(57, 135, 165)
HSL	hsl(197, 49%, 44%)
HSV	hsv(197, 65%, 65%)
CMYK	cmyk(65.5%, 18.2%, 0%, 35.3%)
CIE-LAB	lab(52.85, -14.30, -22.99)
CIE-LCH	lch(52.85, 27.07, 238.12°)
OKLab	oklab(58.77% -0.0606 -0.0642)
OKLCH	oklch(58.77% 0.088 226.7)
XYZ	xyz(17.1401, 20.9126, 38.7232)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987A5 #A55739

analogous

#39A58D #3987A5 #3951A5

triadic

#3987A5 #A53987 #87A539

tetradic

#3987A5 #8D39A5 #A55739 #51A539

square

#3987A5 #8D39A5 #A55739 #51A539

split-complementary

#3987A5 #A53951 #A58D39

monochromatic

#1A3D4A #296278 #3987A5 #56A6C5 #84BED4

Accessibility & contrast

On white

4.05

#3987A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3987A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987A5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987A5	#FFFFFF	#000000	##000000
##3987A5	1.00	4.05	5.18	5.18
#FFFFFF	4.05	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)

#7784A7

Deuteranopia (green-blind)

#6879A5

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3987a5;
/* rgb */ color: rgb(57, 135, 165);
/* oklch */ color: oklch(58.8% 0.088 226.7);

Tailwind

colors: {
  custom: {
    50: '#7baabf',
    500: '#3987a5',
    950: '#000000',
  },
}

SCSS

$custom: #3987a5;
$custom-light: #7baabf;
$custom-dark: #000000;

JSON

{
  "hex": "#3987a5",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 165
  },
  "hsl": {
    "h": 196.667,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.58765,
    "c": 0.08829,
    "h": 226.7
  },
  "luminance": 0.20914
}

Semantic roles & 50–950 ramp

primary

#3987A5

secondary

#BE8E7B

accent

#7650D8

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3987A5

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

Preview Lab → · Contrast checker → · Palette generator →