#387DB8#387DB8

#387DB8 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.115 H 247.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#387DB8
RGB	rgb(56, 125, 184)
HSL	hsl(208, 53%, 47%)
HSV	hsv(208, 70%, 72%)
CMYK	cmyk(69.6%, 32.1%, 0%, 27.8%)
CIE-LAB	lab(50.65, -2.22, -37.38)
CIE-LCH	lch(50.65, 37.44, 266.60°)
OKLab	oklab(57.28% -0.0443 -0.1058)
OKLCH	oklch(57.28% 0.115 247.3)
XYZ	xyz(17.6130, 18.9668, 48.0708)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387DB8 #B87338

analogous

#38B8B3 #387DB8 #383DB8

triadic

#387DB8 #B8387D #7DB838

tetradic

#387DB8 #B338B8 #B87338 #3DB838

square

#387DB8 #B338B8 #B87338 #3DB838

split-complementary

#387DB8 #B8383D #B8B338

monochromatic

#1B3D5A #2A5D89 #387DB8 #5F9BCE #8EB8DD

Accessibility & contrast

On white

4.38

#387DB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#387DB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DB8

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387DB8	#FFFFFF	#000000	##000000
##387DB8	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637FBB

Deuteranopia (green-blind)

#5173B7

Tritanopia (blue-blind)

#008B92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #387db8;
/* rgb */ color: rgb(56, 125, 184);
/* oklch */ color: oklch(57.3% 0.115 247.3);

Tailwind

colors: {
  custom: {
    50: '#7da2cd',
    500: '#387db8',
    950: '#000000',
  },
}

SCSS

$custom: #387db8;
$custom-light: #7da2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#387db8",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 184
  },
  "hsl": {
    "h": 207.656,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57284,
    "c": 0.11473,
    "h": 247.3
  },
  "luminance": 0.18969
}

Semantic roles & 50–950 ramp

primary

#387DB8

secondary

#C7A385

accent

#8E4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #387DB8

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

Preview Lab → · Contrast checker → · Palette generator →