#3787AE#3787AE

#3787AE is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.097 H 233.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3787AE
RGB	rgb(55, 135, 174)
HSL	hsl(200, 52%, 45%)
HSV	hsv(200, 68%, 68%)
CMYK	cmyk(68.4%, 22.4%, 0%, 31.8%)
CIE-LAB	lab(53.16, -11.64, -27.70)
CIE-LCH	lch(53.16, 30.05, 247.22°)
OKLab	oklab(59.11% -0.0585 -0.0777)
OKLCH	oklch(59.11% 0.097 233.1)
XYZ	xyz(17.8765, 21.1942, 43.1850)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787AE #AE5E37

analogous

#37AE9A #3787AE #374BAE

triadic

#3787AE #AE3787 #87AE37

tetradic

#3787AE #9A37AE #AE5E37 #4BAE37

square

#3787AE #9A37AE #AE5E37 #4BAE37

split-complementary

#3787AE #AE374B #AE9A37

monochromatic

#1A3F51 #28637F #3787AE #58A5CA #86BED9

Accessibility & contrast

On white

4.01

#3787AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3787AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787AE

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787AE	#FFFFFF	#000000	##000000
##3787AE	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7486B0

Deuteranopia (green-blind)

#637AAD

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3787ae;
/* rgb */ color: rgb(55, 135, 174);
/* oklch */ color: oklch(59.1% 0.097 233.1);

Tailwind

colors: {
  custom: {
    50: '#7caac6',
    500: '#3787ae',
    950: '#000000',
  },
}

SCSS

$custom: #3787ae;
$custom-light: #7caac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3787ae",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 174
  },
  "hsl": {
    "h": 199.664,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59115,
    "c": 0.09727,
    "h": 233.1
  },
  "luminance": 0.21196
}

Semantic roles & 50–950 ramp

primary

#3787AE

secondary

#C3957E

accent

#7B4CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3787AE

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

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