#3787A5#3787A5

#3787A5 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.089 H 226.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3787A5
RGB	rgb(55, 135, 165)
HSL	hsl(196, 50%, 43%)
HSV	hsv(196, 67%, 65%)
CMYK	cmyk(66.7%, 18.2%, 0%, 35.3%)
CIE-LAB	lab(52.79, -14.64, -23.09)
CIE-LCH	lch(52.79, 27.34, 237.62°)
OKLab	oklab(58.7% -0.0618 -0.0645)
OKLCH	oklch(58.7% 0.089 226.2)
XYZ	xyz(17.0283, 20.8550, 38.7180)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787A5 #A55537

analogous

#37A58C #3787A5 #3750A5

triadic

#3787A5 #A53787 #87A537

tetradic

#3787A5 #8C37A5 #A55537 #50A537

square

#3787A5 #8C37A5 #A55537 #50A537

split-complementary

#3787A5 #A53750 #A58C37

monochromatic

#183C49 #286177 #3787A5 #53A7C6 #81BED5

Accessibility & contrast

On white

4.06

#3787A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3787A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787A5

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787A5	#FFFFFF	#000000	##000000
##3787A5	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7784A7

Deuteranopia (green-blind)

#6779A5

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3787a5;
/* rgb */ color: rgb(55, 135, 165);
/* oklch */ color: oklch(58.7% 0.089 226.2);

Tailwind

colors: {
  custom: {
    50: '#7baabf',
    500: '#3787a5',
    950: '#000000',
  },
}

SCSS

$custom: #3787a5;
$custom-light: #7baabf;
$custom-dark: #000000;

JSON

{
  "hex": "#3787a5",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 165
  },
  "hsl": {
    "h": 196.364,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.58696,
    "c": 0.08936,
    "h": 226.2
  },
  "luminance": 0.20857
}

Semantic roles & 50–950 ramp

primary

#3787A5

secondary

#BF8C79

accent

#744EDA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3787A5

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

Preview Lab → · Contrast checker → · Palette generator →