#387CCB#387CCB

#387CCB is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.140 H 254.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#387CCB
RGB	rgb(56, 124, 203)
HSL	hsl(212, 59%, 51%)
HSV	hsv(212, 72%, 80%)
CMYK	cmyk(72.4%, 38.9%, 0%, 20.4%)
CIE-LAB	lab(51.34, 5.20, -47.16)
CIE-LCH	lch(51.34, 47.44, 276.29°)
OKLab	oklab(58.15% -0.0383 -0.1344)
OKLCH	oklch(58.15% 0.14 254.1)
XYZ	xyz(19.6140, 19.5657, 59.2312)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387CCB #CB8738

analogous

#38C5CB #387CCB #3D38CB

triadic

#387CCB #CB387C #7CCB38

tetradic

#387CCB #CB38C5 #CB8738 #38CB3D

square

#387CCB #CB38C5 #CB8738 #38CB3D

split-complementary

#387CCB #CB3D38 #C5CB38

monochromatic

#1C416C #295F9D #387CCB #699CD8 #99BCE4

Accessibility & contrast

On white

4.27

#387CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#387CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CCB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387CCB	#FFFFFF	#000000	##000000
##387CCB	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5782CE

Deuteranopia (green-blind)

#4074C9

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #387ccb;
/* rgb */ color: rgb(56, 124, 203);
/* oklch */ color: oklch(58.1% 0.140 254.1);

Tailwind

colors: {
  custom: {
    50: '#81a1db',
    500: '#387ccb',
    950: '#000000',
  },
}

SCSS

$custom: #387ccb;
$custom-light: #81a1db;
$custom-dark: #000000;

JSON

{
  "hex": "#387ccb",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 203
  },
  "hsl": {
    "h": 212.245,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5815,
    "c": 0.13979,
    "h": 254.1
  },
  "luminance": 0.19568
}

Semantic roles & 50–950 ramp

primary

#387CCB

secondary

#D0B28F

accent

#9A46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #387CCB

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

Preview Lab → · Contrast checker → · Palette generator →