#3789BE#3789BE

#3789BE is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.113 H 240.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3789BE
RGB	rgb(55, 137, 190)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(71.1%, 27.9%, 0%, 25.5%)
CIE-LAB	lab(54.47, -7.28, -34.82)
CIE-LCH	lch(54.47, 35.58, 258.18°)
OKLab	oklab(60.39% -0.055 -0.0983)
OKLCH	oklch(60.39% 0.113 240.8)
XYZ	xyz(19.8119, 22.4190, 51.9884)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789BE #BE6C37

analogous

#37BEB0 #3789BE #3745BE

triadic

#3789BE #BE3789 #89BE37

tetradic

#3789BE #B037BE #BE6C37 #45BE37

square

#3789BE #B037BE #BE6C37 #45BE37

split-complementary

#3789BE #BE3745 #BEB037

monochromatic

#1C455F #29678F #3789BE #61A5D1 #90C0DF

Accessibility & contrast

On white

3.83

#3789BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3789BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789BE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789BE	#FFFFFF	#000000	##000000
##3789BE	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718AC0

Deuteranopia (green-blind)

#5E7DBD

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3789be;
/* rgb */ color: rgb(55, 137, 190);
/* oklch */ color: oklch(60.4% 0.113 240.8);

Tailwind

colors: {
  custom: {
    50: '#7eabd2',
    500: '#3789be',
    950: '#000000',
  },
}

SCSS

$custom: #3789be;
$custom-light: #7eabd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3789be",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 190
  },
  "hsl": {
    "h": 203.556,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60386,
    "c": 0.11264,
    "h": 240.8
  },
  "luminance": 0.22421
}

Semantic roles & 50–950 ramp

primary

#3789BE

secondary

#CAA187

accent

#8449DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3789BE

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

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