#3790BB#3790BB

#3790BB is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.9% C 0.105 H 233.3°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3790BB
RGB	rgb(55, 144, 187)
HSL	hsl(200, 55%, 47%)
HSV	hsv(200, 71%, 73%)
CMYK	cmyk(70.6%, 23%, 0%, 26.7%)
CIE-LAB	lab(56.43, -12.28, -30.06)
CIE-LCH	lch(56.43, 32.47, 247.78°)
OKLab	oklab(61.9% -0.0631 -0.0845)
OKLCH	oklch(61.9% 0.105 233.3)
XYZ	xyz(20.5149, 24.3443, 50.6218)
Luminance	0.2435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3790BB #BB6237

analogous

#37BBA4 #3790BB #374EBB

triadic

#3790BB #BB3790 #90BB37

tetradic

#3790BB #A437BB #BB6237 #4EBB37

square

#3790BB #A437BB #BB6237 #4EBB37

split-complementary

#3790BB #BB374E #BBA437

monochromatic

#1B475C #296C8C #3790BB #5FABD0 #8EC4DE

Accessibility & contrast

On white

3.58

#3790BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#3790BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3790BB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3790BB	#FFFFFF	#000000	##000000
##3790BB	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBD

Deuteranopia (green-blind)

#6982BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3790bb;
/* rgb */ color: rgb(55, 144, 187);
/* oklch */ color: oklch(61.9% 0.105 233.3);

Tailwind

colors: {
  custom: {
    50: '#7eb0cf',
    500: '#3790bb',
    950: '#000000',
  },
}

SCSS

$custom: #3790bb;
$custom-light: #7eb0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3790bb",
  "rgb": {
    "r": 55,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 199.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.61901,
    "c": 0.1054,
    "h": 233.3
  },
  "luminance": 0.24347
}

Semantic roles & 50–950 ramp

primary

#3790BB

secondary

#C99B85

accent

#7A4ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3790BB

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

Preview Lab → · Contrast checker → · Palette generator →