#387BB1#387BB1

#387BB1 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.4% C 0.108 H 245.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#387BB1
RGB	rgb(56, 123, 177)
HSL	hsl(207, 52%, 46%)
HSV	hsv(207, 68%, 69%)
CMYK	cmyk(68.4%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(49.71, -3.50, -34.81)
CIE-LCH	lch(49.71, 34.98, 264.26°)
OKLab	oklab(56.44% -0.0443 -0.0984)
OKLCH	oklch(56.44% 0.108 245.7)
XYZ	xyz(16.6467, 18.1792, 44.2181)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BB1 #B16E38

analogous

#38B1AA #387BB1 #383EB1

triadic

#387BB1 #B1387B #7BB138

tetradic

#387BB1 #AA38B1 #B16E38 #3EB138

square

#387BB1 #AA38B1 #B16E38 #3EB138

split-complementary

#387BB1 #B1383E #B1AA38

monochromatic

#1B3A54 #295B83 #387BB1 #5B99CB #8AB6DA

Accessibility & contrast

On white

4.53

#387BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#387BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BB1

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BB1	#FFFFFF	#000000	##000000
##387BB1	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637DB3

Deuteranopia (green-blind)

#5271B0

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #387bb1;
/* rgb */ color: rgb(56, 123, 177);
/* oklch */ color: oklch(56.4% 0.108 245.7);

Tailwind

colors: {
  custom: {
    50: '#7ca1c8',
    500: '#387bb1',
    950: '#000000',
  },
}

SCSS

$custom: #387bb1;
$custom-light: #7ca1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#387bb1",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 206.777,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56435,
    "c": 0.10792,
    "h": 245.7
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#387BB1

secondary

#C49F81

accent

#8C4CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #387BB1

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

Preview Lab → · Contrast checker → · Palette generator →