#3787AC#3787AC

#3787AC is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.095 H 231.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3787AC
RGB	rgb(55, 135, 172)
HSL	hsl(199, 52%, 45%)
HSV	hsv(199, 68%, 67%)
CMYK	cmyk(68%, 21.5%, 0%, 32.5%)
CIE-LAB	lab(53.08, -12.31, -26.68)
CIE-LCH	lch(53.08, 29.38, 245.23°)
OKLab	oklab(59.02% -0.0592 -0.0748)
OKLCH	oklch(59.02% 0.095 231.6)
XYZ	xyz(17.6830, 21.1168, 42.1658)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787AC #AC5C37

analogous

#37AC97 #3787AC #374DAC

triadic

#3787AC #AC3787 #87AC37

tetradic

#3787AC #9737AC #AC5C37 #4DAC37

square

#3787AC #9737AC #AC5C37 #4DAC37

split-complementary

#3787AC #AC374D #AC9737

monochromatic

#193E4F #28637E #3787AC #57A5C9 #85BED8

Accessibility & contrast

On white

4.02

#3787AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3787AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787AC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787AC	#FFFFFF	#000000	##000000
##3787AC	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7585AE

Deuteranopia (green-blind)

#647AAB

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3787ac;
/* rgb */ color: rgb(55, 135, 172);
/* oklch */ color: oklch(59.0% 0.095 231.6);

Tailwind

colors: {
  custom: {
    50: '#7baac5',
    500: '#3787ac',
    950: '#000000',
  },
}

SCSS

$custom: #3787ac;
$custom-light: #7baac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3787ac",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 172
  },
  "hsl": {
    "h": 198.974,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5902,
    "c": 0.09539,
    "h": 231.6
  },
  "luminance": 0.21119
}

Semantic roles & 50–950 ramp

primary

#3787AC

secondary

#C2937D

accent

#7A4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3787AC

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

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