#3787F3#3787F3

#3787F3 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 63.0% C 0.180 H 257.1°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3787F3
RGB	rgb(55, 135, 243)
HSL	hsl(214, 89%, 58%)
HSV	hsv(214, 77%, 95%)
CMYK	cmyk(77.4%, 44.4%, 0%, 4.7%)
CIE-LAB	lab(56.69, 12.95, -61.06)
CIE-LCH	lch(56.69, 62.42, 281.98°)
OKLab	oklab(63.04% -0.04 -0.1751)
OKLCH	oklch(63.04% 0.18 257.1)
XYZ	xyz(26.4112, 24.6081, 88.1345)
Luminance	0.2461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3787F3 #F3A337

analogous

#37E5F3 #3787F3 #4537F3

triadic

#3787F3 #F33787 #87F337

tetradic

#3787F3 #F337E5 #F3A337 #37F345

square

#3787F3 #F337E5 #F3A337 #37F345

split-complementary

#3787F3 #F34537 #E5F337

monochromatic

#0A4CA6 #0D67DF #3787F3 #71AAF6 #AACCFA

Accessibility & contrast

On white

3.55

#3787F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3787F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3787F3

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3787F3	#FFFFFF	#000000	##000000
##3787F3	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F91F7

Deuteranopia (green-blind)

#2580F1

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3787f3;
/* rgb */ color: rgb(55, 135, 243);
/* oklch */ color: oklch(63.0% 0.180 257.1);

Tailwind

colors: {
  custom: {
    50: '#88a9f8',
    500: '#3787f3',
    950: '#000000',
  },
}

SCSS

$custom: #3787f3;
$custom-light: #88a9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#3787f3",
  "rgb": {
    "r": 55,
    "g": 135,
    "b": 243
  },
  "hsl": {
    "h": 214.468,
    "s": 88.679,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63035,
    "c": 0.17963,
    "h": 257.1
  },
  "luminance": 0.24611
}

Semantic roles & 50–950 ramp

primary

#3787F3

secondary

#E8C89E

accent

#A429FF

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #3787F3

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

Preview Lab → · Contrast checker → · Palette generator →