#387CB5#387CB5

#387CB5 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.112 H 246.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#387CB5
RGB	rgb(56, 124, 181)
HSL	hsl(207, 53%, 46%)
HSV	hsv(207, 69%, 71%)
CMYK	cmyk(69.1%, 31.5%, 0%, 29%)
CIE-LAB	lab(50.20, -2.68, -36.35)
CIE-LCH	lch(50.20, 36.45, 265.78°)
OKLab	oklab(56.89% -0.0442 -0.1028)
OKLCH	oklch(56.89% 0.112 246.8)
XYZ	xyz(17.1759, 18.5904, 46.3902)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387CB5 #B57138

analogous

#38B5B0 #387CB5 #383EB5

triadic

#387CB5 #B5387C #7CB538

tetradic

#387CB5 #B038B5 #B57138 #3EB538

square

#387CB5 #B038B5 #B57138 #3EB538

split-complementary

#387CB5 #B5383E #B5B038

monochromatic

#1B3C58 #2A5C86 #387CB5 #5D9ACD #8CB7DB

Accessibility & contrast

On white

4.45

#387CB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#387CB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387CB5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387CB5	#FFFFFF	#000000	##000000
##387CB5	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB7

Deuteranopia (green-blind)

#5172B4

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #387cb5;
/* rgb */ color: rgb(56, 124, 181);
/* oklch */ color: oklch(56.9% 0.112 246.8);

Tailwind

colors: {
  custom: {
    50: '#7da1cb',
    500: '#387cb5',
    950: '#000000',
  },
}

SCSS

$custom: #387cb5;
$custom-light: #7da1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#387cb5",
  "rgb": {
    "r": 56,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 207.36,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56886,
    "c": 0.11193,
    "h": 246.8
  },
  "luminance": 0.18592
}

Semantic roles & 50–950 ramp

primary

#387CB5

secondary

#C6A183

accent

#8E4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #387CB5

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

Preview Lab → · Contrast checker → · Palette generator →