#387FB5#387FB5

#387FB5 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.109 H 244.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#387FB5
RGB	rgb(56, 127, 181)
HSL	hsl(206, 53%, 46%)
HSV	hsv(206, 69%, 71%)
CMYK	cmyk(69.1%, 29.8%, 0%, 29%)
CIE-LAB	lab(51.10, -4.46, -34.94)
CIE-LCH	lch(51.10, 35.23, 262.73°)
OKLab	oklab(57.59% -0.0472 -0.0987)
OKLCH	oklch(57.59% 0.109 244.4)
XYZ	xyz(17.5576, 19.3538, 46.5174)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387FB5 #B56E38

analogous

#38B5AD #387FB5 #3841B5

triadic

#387FB5 #B5387F #7FB538

tetradic

#387FB5 #AD38B5 #B56E38 #41B538

square

#387FB5 #AD38B5 #B56E38 #41B538

split-complementary

#387FB5 #B53841 #B5AD38

monochromatic

#1B3D58 #2A5E86 #387FB5 #5D9DCD #8CB9DB

Accessibility & contrast

On white

4.31

#387FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#387FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387FB5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387FB5	#FFFFFF	#000000	##000000
##387FB5	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B7

Deuteranopia (green-blind)

#5574B4

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #387fb5;
/* rgb */ color: rgb(56, 127, 181);
/* oklch */ color: oklch(57.6% 0.109 244.4);

Tailwind

colors: {
  custom: {
    50: '#7da3cb',
    500: '#387fb5',
    950: '#000000',
  },
}

SCSS

$custom: #387fb5;
$custom-light: #7da3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#387fb5",
  "rgb": {
    "r": 56,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 205.92,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57591,
    "c": 0.10945,
    "h": 244.4
  },
  "luminance": 0.19356
}

Semantic roles & 50–950 ramp

primary

#387FB5

secondary

#C6A083

accent

#8A4CDC

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #387FB5

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

Preview Lab → · Contrast checker → · Palette generator →