#3787AD#3787AD

#3787AD is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.096 H 232.4°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3787AD
RGB	rgb(55, 135, 173)
HSL	hsl(199, 52%, 45%)
HSV	hsv(199, 68%, 68%)
CMYK	cmyk(68.2%, 22%, 0%, 32.2%)
CIE-LAB	lab(53.12, -11.97, -27.19)
CIE-LCH	lch(53.12, 29.71, 246.23°)
OKLab	oklab(59.07% -0.0588 -0.0763)
OKLCH	oklch(59.07% 0.096 232.4)
XYZ	xyz(17.7794, 21.1554, 42.6735)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787AD #AD5D37

analogous

#37AD98 #3787AD #374CAD

triadic

#3787AD #AD3787 #87AD37

tetradic

#3787AD #9837AD #AD5D37 #4CAD37

square

#3787AD #9837AD #AD5D37 #4CAD37

split-complementary

#3787AD #AD374C #AD9837

monochromatic

#193F50 #28637F #3787AD #57A5CA #86BED8

Accessibility & contrast

On white

4.01

#3787AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3787AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787AD

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787AD	#FFFFFF	#000000	##000000
##3787AD	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7485AF

Deuteranopia (green-blind)

#647AAC

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3787ad;
/* rgb */ color: rgb(55, 135, 173);
/* oklch */ color: oklch(59.1% 0.096 232.4);

Tailwind

colors: {
  custom: {
    50: '#7caac5',
    500: '#3787ad',
    950: '#000000',
  },
}

SCSS

$custom: #3787ad;
$custom-light: #7caac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3787ad",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 173
  },
  "hsl": {
    "h": 199.322,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59067,
    "c": 0.09632,
    "h": 232.4
  },
  "luminance": 0.21157
}

Semantic roles & 50–950 ramp

primary

#3787AD

secondary

#C2947D

accent

#7B4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3787AD

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

Preview Lab → · Contrast checker → · Palette generator →