#387ACB#387ACB

#387ACB is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.142 H 255.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#387ACB
RGB	rgb(56, 122, 203)
HSL	hsl(213, 59%, 51%)
HSV	hsv(213, 72%, 80%)
CMYK	cmyk(72.4%, 39.9%, 0%, 20.4%)
CIE-LAB	lab(50.77, 6.42, -48.07)
CIE-LCH	lch(50.77, 48.50, 277.61°)
OKLab	oklab(57.7% -0.0364 -0.1372)
OKLCH	oklch(57.7% 0.142 255.1)
XYZ	xyz(19.3659, 19.0695, 59.1485)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387ACB #CB8938

analogous

#38C4CB #387ACB #3F38CB

triadic

#387ACB #CB387A #7ACB38

tetradic

#387ACB #CB38C4 #CB8938 #38CB3F

square

#387ACB #CB38C4 #CB8938 #38CB3F

split-complementary

#387ACB #CB3F38 #C4CB38

monochromatic

#1C406C #295D9D #387ACB #699AD8 #99BBE4

Accessibility & contrast

On white

4.36

#387ACB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#387ACB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387ACB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387ACB	#FFFFFF	#000000	##000000
##387ACB	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5480CE

Deuteranopia (green-blind)

#3C73C9

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #387acb;
/* rgb */ color: rgb(56, 122, 203);
/* oklch */ color: oklch(57.7% 0.142 255.1);

Tailwind

colors: {
  custom: {
    50: '#819fdb',
    500: '#387acb',
    950: '#000000',
  },
}

SCSS

$custom: #387acb;
$custom-light: #819fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#387acb",
  "rgb": {
    "r": 56,
    "g": 122,
    "b": 203
  },
  "hsl": {
    "h": 213.061,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57703,
    "c": 0.14193,
    "h": 255.1
  },
  "luminance": 0.19072
}

Semantic roles & 50–950 ramp

primary

#387ACB

secondary

#D0B38F

accent

#9C46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #387ACB

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

Preview Lab → · Contrast checker → · Palette generator →