#387ED3#387ED3

#387ED3 is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.1% C 0.148 H 255.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#387ED3
RGB	rgb(56, 126, 211)
HSL	hsl(213, 64%, 52%)
HSV	hsv(213, 73%, 83%)
CMYK	cmyk(73.5%, 40.3%, 0%, 17.3%)
CIE-LAB	lab(52.36, 6.88, -50.08)
CIE-LCH	lch(52.36, 50.55, 277.83°)
OKLab	oklab(59.08% -0.0383 -0.143)
OKLCH	oklch(59.08% 0.148 255)
XYZ	xyz(20.8453, 20.4633, 64.4666)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387ED3 #D38D38

analogous

#38CCD3 #387ED3 #3F38D3

triadic

#387ED3 #D3387E #7ED338

tetradic

#387ED3 #D338CC #D38D38 #38D33F

square

#387ED3 #D338CC #D38D38 #38D33F

split-complementary

#387ED3 #D33F38 #CCD338

monochromatic

#1A4476 #2561A9 #387ED3 #6A9EDE #9CBFE9

Accessibility & contrast

On white

4.12

#387ED3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#387ED3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387ED3

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387ED3	#FFFFFF	#000000	##000000
##387ED3	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5685D6

Deuteranopia (green-blind)

#3C76D1

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #387ed3;
/* rgb */ color: rgb(56, 126, 211);
/* oklch */ color: oklch(59.1% 0.148 255.0);

Tailwind

colors: {
  custom: {
    50: '#82a2e1',
    500: '#387ed3',
    950: '#000000',
  },
}

SCSS

$custom: #387ed3;
$custom-light: #82a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#387ed3",
  "rgb": {
    "r": 56,
    "g": 126,
    "b": 211
  },
  "hsl": {
    "h": 212.903,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59084,
    "c": 0.14804,
    "h": 255
  },
  "luminance": 0.20466
}

Semantic roles & 50–950 ramp

primary

#387ED3

secondary

#D5B792

accent

#9C41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #387ED3

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

Preview Lab → · Contrast checker → · Palette generator →