#3787A4#3787A4

#3787A4 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.7% C 0.089 H 225.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3787A4
RGB	rgb(55, 135, 164)
HSL	hsl(196, 50%, 43%)
HSV	hsv(196, 66%, 64%)
CMYK	cmyk(66.5%, 17.7%, 0%, 35.7%)
CIE-LAB	lab(52.75, -14.97, -22.57)
CIE-LCH	lch(52.75, 27.09, 236.45°)
OKLab	oklab(58.65% -0.0622 -0.063)
OKLCH	oklch(58.65% 0.089 225.4)
XYZ	xyz(16.9377, 20.8187, 38.2405)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787A4 #A45437

analogous

#37A48A #3787A4 #3751A4

triadic

#3787A4 #A43787 #87A437

tetradic

#3787A4 #8A37A4 #A45437 #51A437

square

#3787A4 #8A37A4 #A45437 #51A437

split-complementary

#3787A4 #A43751 #A48A37

monochromatic

#183C48 #286176 #3787A4 #53A7C5 #81BED5

Accessibility & contrast

On white

4.07

#3787A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#3787A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787A4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787A4	#FFFFFF	#000000	##000000
##3787A4	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	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: #3787a4;
/* rgb */ color: rgb(55, 135, 164);
/* oklch */ color: oklch(58.7% 0.089 225.4);

Tailwind

colors: {
  custom: {
    50: '#7aaabf',
    500: '#3787a4',
    950: '#000000',
  },
}

SCSS

$custom: #3787a4;
$custom-light: #7aaabf;
$custom-dark: #000000;

JSON

{
  "hex": "#3787a4",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 164
  },
  "hsl": {
    "h": 195.963,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.58651,
    "c": 0.08857,
    "h": 225.4
  },
  "luminance": 0.20821
}

Semantic roles & 50–950 ramp

primary

#3787A4

secondary

#BE8B79

accent

#734FD9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3787A4

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

Preview Lab → · Contrast checker → · Palette generator →