#3789E2#3789E2

#3789E2 is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.4% C 0.156 H 253.2°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3789E2
RGB	rgb(55, 137, 226)
HSL	hsl(211, 75%, 55%)
HSV	hsv(211, 76%, 89%)
CMYK	cmyk(75.7%, 39.4%, 0%, 11.4%)
CIE-LAB	lab(56.28, 5.55, -52.27)
CIE-LCH	lch(56.28, 52.56, 276.06°)
OKLab	oklab(62.4% -0.0451 -0.1492)
OKLCH	oklch(62.4% 0.156 253.2)
XYZ	xyz(24.2435, 24.1917, 75.3285)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789E2 #E29037

analogous

#37DEE2 #3789E2 #3B37E2

triadic

#3789E2 #E23789 #89E237

tetradic

#3789E2 #E237DE #E29037 #37E23B

square

#3789E2 #E237DE #E29037 #37E23B

split-complementary

#3789E2 #E23B37 #DEE237

monochromatic

#144D8B #1C6BC0 #3789E2 #6CA9EA #A2C8F2

Accessibility & contrast

On white

3.60

#3789E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#3789E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789E2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789E2	#FFFFFF	#000000	##000000
##3789E2	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8FE6

Deuteranopia (green-blind)

#4380E0

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3789e2;
/* rgb */ color: rgb(55, 137, 226);
/* oklch */ color: oklch(62.4% 0.156 253.2);

Tailwind

colors: {
  custom: {
    50: '#85aaeb',
    500: '#3789e2',
    950: '#000000',
  },
}

SCSS

$custom: #3789e2;
$custom-light: #85aaeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3789e2",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 226
  },
  "hsl": {
    "h": 211.228,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62401,
    "c": 0.15592,
    "h": 253.2
  },
  "luminance": 0.24195
}

Semantic roles & 50–950 ramp

primary

#3789E2

secondary

#DEBC97

accent

#9837F1

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3789E2

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

Preview Lab → · Contrast checker → · Palette generator →