#387DCB#387DCB

#387DCB is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.4% C 0.139 H 253.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#387DCB
RGB	rgb(56, 125, 203)
HSL	hsl(212, 59%, 51%)
HSV	hsv(212, 72%, 80%)
CMYK	cmyk(72.4%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(51.63, 4.59, -46.70)
CIE-LCH	lch(51.63, 46.92, 275.61°)
OKLab	oklab(58.37% -0.0392 -0.1331)
OKLCH	oklch(58.37% 0.139 253.6)
XYZ	xyz(19.7400, 19.8176, 59.2732)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387DCB #CB8638

analogous

#38C6CB #387DCB #3C38CB

triadic

#387DCB #CB387D #7DCB38

tetradic

#387DCB #CB38C6 #CB8638 #38CB3C

square

#387DCB #CB38C6 #CB8638 #38CB3C

split-complementary

#387DCB #CB3C38 #C6CB38

monochromatic

#1C426C #295F9D #387DCB #699DD8 #99BCE4

Accessibility & contrast

On white

4.23

#387DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#387DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DCB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387DCB	#FFFFFF	#000000	##000000
##387DCB	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5982CE

Deuteranopia (green-blind)

#4275C9

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #387dcb;
/* rgb */ color: rgb(56, 125, 203);
/* oklch */ color: oklch(58.4% 0.139 253.6);

Tailwind

colors: {
  custom: {
    50: '#81a2db',
    500: '#387dcb',
    950: '#000000',
  },
}

SCSS

$custom: #387dcb;
$custom-light: #81a2db;
$custom-dark: #000000;

JSON

{
  "hex": "#387dcb",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 211.837,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58374,
    "c": 0.13874,
    "h": 253.6
  },
  "luminance": 0.1982
}

Semantic roles & 50–950 ramp

primary

#387DCB

secondary

#D0B18F

accent

#9946E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #387DCB

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

Preview Lab → · Contrast checker → · Palette generator →