#387C8B#387C8B

#387C8B is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.072 H 214.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#387C8B
RGB	rgb(56, 124, 139)
HSL	hsl(191, 43%, 38%)
HSV	hsv(191, 60%, 55%)
CMYK	cmyk(59.7%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(48.41, -16.77, -14.62)
CIE-LCH	lch(48.41, 22.25, 221.09°)
OKLab	oklab(54.87% -0.0594 -0.0405)
OKLCH	oklch(54.87% 0.072 214.3)
XYZ	xyz(13.4969, 17.1188, 27.0141)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387C8B #8B4738

analogous

#388B70 #387C8B #38528B

triadic

#387C8B #8B387C #7C8B38

tetradic

#387C8B #70388B #8B4738 #528B38

square

#387C8B #70388B #8B4738 #528B38

split-complementary

#387C8B #8B3852 #8B7038

monochromatic

#152E34 #26555F #387C8B #4AA3B6 #76B9C8

Accessibility & contrast

On white

4.75

#387C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#387C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #387C8B

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387C8B	#FFFFFF	#000000	##FFFFFF
##387C8B	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#656F8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #387c8b;
/* rgb */ color: rgb(56, 124, 139);
/* oklch */ color: oklch(54.9% 0.072 214.3);

Tailwind

colors: {
  custom: {
    50: '#77a2ac',
    500: '#387c8b',
    950: '#000000',
  },
}

SCSS

$custom: #387c8b;
$custom-light: #77a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#387c8b",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 190.843,
    "s": 42.564,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54867,
    "c": 0.07194,
    "h": 214.3
  },
  "luminance": 0.1712
}

Semantic roles & 50–950 ramp

primary

#387C8B

secondary

#B17A6E

accent

#6C55D2

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #387C8B

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

Preview Lab → · Contrast checker → · Palette generator →