#387CB2#387CB2

#387CB2 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.108 H 245.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#387CB2
RGB	rgb(56, 124, 178)
HSL	hsl(207, 52%, 46%)
HSV	hsv(207, 69%, 70%)
CMYK	cmyk(68.5%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(50.06, -3.74, -34.84)
CIE-LCH	lch(50.06, 35.04, 263.88°)
OKLab	oklab(56.73% -0.0451 -0.0985)
OKLCH	oklch(56.73% 0.108 245.4)
XYZ	xyz(16.8714, 18.4686, 44.7865)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387CB2 #B26E38

analogous

#38B2AB #387CB2 #383FB2

triadic

#387CB2 #B2387C #7CB238

tetradic

#387CB2 #AB38B2 #B26E38 #3FB238

square

#387CB2 #AB38B2 #B26E38 #3FB238

split-complementary

#387CB2 #B2383F #B2AB38

monochromatic

#1B3B55 #295C83 #387CB2 #5C9ACC #8AB7DA

Accessibility & contrast

On white

4.47

#387CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#387CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CB2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387CB2	#FFFFFF	#000000	##000000
##387CB2	1.00	4.47	4.69	4.69
#FFFFFF	4.47	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)

#647EB4

Deuteranopia (green-blind)

#5372B1

Tritanopia (blue-blind)

#00898F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #387cb2;
/* rgb */ color: rgb(56, 124, 178);
/* oklch */ color: oklch(56.7% 0.108 245.4);

Tailwind

colors: {
  custom: {
    50: '#7ca1c9',
    500: '#387cb2',
    950: '#000000',
  },
}

SCSS

$custom: #387cb2;
$custom-light: #7ca1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#387cb2",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 206.557,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56725,
    "c": 0.1083,
    "h": 245.4
  },
  "luminance": 0.1847
}

Semantic roles & 50–950 ramp

primary

#387CB2

secondary

#C59F81

accent

#8C4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #387CB2

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

Preview Lab → · Contrast checker → · Palette generator →