#387CB1#387CB1

#387CB1 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.107 H 244.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#387CB1
RGB	rgb(56, 124, 177)
HSL	hsl(206, 52%, 46%)
HSV	hsv(206, 68%, 69%)
CMYK	cmyk(68.4%, 29.9%, 0%, 30.6%)
CIE-LAB	lab(50.01, -4.09, -34.34)
CIE-LCH	lch(50.01, 34.58, 263.21°)
OKLab	oklab(56.67% -0.0454 -0.097)
OKLCH	oklch(56.67% 0.107 244.9)
XYZ	xyz(16.7713, 18.4286, 44.2596)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387CB1 #B16D38

analogous

#38B1A9 #387CB1 #383FB1

triadic

#387CB1 #B1387C #7CB138

tetradic

#387CB1 #A938B1 #B16D38 #3FB138

square

#387CB1 #A938B1 #B16D38 #3FB138

split-complementary

#387CB1 #B1383F #B1A938

monochromatic

#1B3B54 #295B83 #387CB1 #5B9ACB #8AB7DA

Accessibility & contrast

On white

4.48

#387CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#387CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CB1

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387CB1	#FFFFFF	#000000	##000000
##387CB1	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647DB3

Deuteranopia (green-blind)

#5472B0

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #387cb1;
/* rgb */ color: rgb(56, 124, 177);
/* oklch */ color: oklch(56.7% 0.107 244.9);

Tailwind

colors: {
  custom: {
    50: '#7ca1c8',
    500: '#387cb1',
    950: '#000000',
  },
}

SCSS

$custom: #387cb1;
$custom-light: #7ca1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#387cb1",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 177
  },
  "hsl": {
    "h": 206.281,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56671,
    "c": 0.1071,
    "h": 244.9
  },
  "luminance": 0.1843
}

Semantic roles & 50–950 ramp

primary

#387CB1

secondary

#C49E81

accent

#8B4CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #387CB1

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

Preview Lab → · Contrast checker → · Palette generator →