#387BCC#387BCC

#387BCC is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.0% C 0.142 H 254.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#387BCC
RGB	rgb(56, 123, 204)
HSL	hsl(213, 59%, 51%)
HSV	hsv(213, 73%, 80%)
CMYK	cmyk(72.5%, 39.7%, 0%, 20%)
CIE-LAB	lab(51.11, 6.17, -48.10)
CIE-LCH	lch(51.11, 48.49, 277.32°)
OKLab	oklab(57.99% -0.0371 -0.1372)
OKLCH	oklch(57.99% 0.142 254.9)
XYZ	xyz(19.6089, 19.3641, 59.8192)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BCC #CC8938

analogous

#38C5CC #387BCC #3F38CC

triadic

#387BCC #CC387B #7BCC38

tetradic

#387BCC #CC38C5 #CC8938 #38CC3F

square

#387BCC #CC38C5 #CC8938 #38CC3F

split-complementary

#387BCC #CC3F38 #C5CC38

monochromatic

#1C416E #295E9E #387BCC #699BD8 #99BCE5

Accessibility & contrast

On white

4.31

#387BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#387BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BCC

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BCC	#FFFFFF	#000000	##000000
##387BCC	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5581CF

Deuteranopia (green-blind)

#3D73CA

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #387bcc;
/* rgb */ color: rgb(56, 123, 204);
/* oklch */ color: oklch(58.0% 0.142 254.9);

Tailwind

colors: {
  custom: {
    50: '#81a0dc',
    500: '#387bcc',
    950: '#000000',
  },
}

SCSS

$custom: #387bcc;
$custom-light: #81a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#387bcc",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 212.838,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57987,
    "c": 0.14215,
    "h": 254.9
  },
  "luminance": 0.19366
}

Semantic roles & 50–950 ramp

primary

#387BCC

secondary

#D1B38F

accent

#9B45E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #387BCC

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

Preview Lab → · Contrast checker → · Palette generator →