#3789B6#3789B6

#3789B6 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.0% C 0.104 H 236.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3789B6
RGB	rgb(55, 137, 182)
HSL	hsl(201, 54%, 46%)
HSV	hsv(201, 70%, 71%)
CMYK	cmyk(69.8%, 24.7%, 0%, 28.6%)
CIE-LAB	lab(54.11, -10.05, -30.81)
CIE-LCH	lch(54.11, 32.41, 251.94°)
OKLab	oklab(59.98% -0.0577 -0.0867)
OKLCH	oklch(59.98% 0.104 236.4)
XYZ	xyz(18.9614, 22.0789, 47.5092)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789B6 #B66437

analogous

#37B6A4 #3789B6 #374AB6

triadic

#3789B6 #B63789 #89B637

tetradic

#3789B6 #A437B6 #B66437 #4AB637

square

#3789B6 #A437B6 #B66437 #4AB637

split-complementary

#3789B6 #B6374A #B6A437

monochromatic

#1B4258 #296687 #3789B6 #5CA6CE #8BBFDC

Accessibility & contrast

On white

3.88

#3789B6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3789B6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789B6

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789B6	#FFFFFF	#000000	##000000
##3789B6	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B8

Deuteranopia (green-blind)

#627CB5

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3789b6;
/* rgb */ color: rgb(55, 137, 182);
/* oklch */ color: oklch(60.0% 0.104 236.4);

Tailwind

colors: {
  custom: {
    50: '#7dabcc',
    500: '#3789b6',
    950: '#000000',
  },
}

SCSS

$custom: #3789b6;
$custom-light: #7dabcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3789b6",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 182
  },
  "hsl": {
    "h": 201.26,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59984,
    "c": 0.10414,
    "h": 236.4
  },
  "luminance": 0.22081
}

Semantic roles & 50–950 ramp

primary

#3789B6

secondary

#C69B82

accent

#7F4BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3789B6

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

Preview Lab → · Contrast checker → · Palette generator →