#387DB4#387DB4

#387DB4 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.110 H 245.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#387DB4
RGB	rgb(56, 125, 180)
HSL	hsl(207, 53%, 46%)
HSV	hsv(207, 69%, 71%)
CMYK	cmyk(68.9%, 30.6%, 0%, 29.4%)
CIE-LAB	lab(50.45, -3.63, -35.38)
CIE-LCH	lch(50.45, 35.56, 264.14°)
OKLab	oklab(57.07% -0.0455 -0.1)
OKLCH	oklch(57.07% 0.11 245.5)
XYZ	xyz(17.1996, 18.8014, 45.8938)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387DB4 #B46F38

analogous

#38B4AD #387DB4 #383FB4

triadic

#387DB4 #B4387D #7DB438

tetradic

#387DB4 #AD38B4 #B46F38 #3FB438

square

#387DB4 #AD38B4 #B46F38 #3FB438

split-complementary

#387DB4 #B4383F #B4AD38

monochromatic

#1B3C57 #295D85 #387DB4 #5D9BCD #8BB8DB

Accessibility & contrast

On white

4.41

#387DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#387DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387DB4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387DB4	#FFFFFF	#000000	##000000
##387DB4	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB6

Deuteranopia (green-blind)

#5373B3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #387db4;
/* rgb */ color: rgb(56, 125, 180);
/* oklch */ color: oklch(57.1% 0.110 245.5);

Tailwind

colors: {
  custom: {
    50: '#7da2ca',
    500: '#387db4',
    950: '#000000',
  },
}

SCSS

$custom: #387db4;
$custom-light: #7da2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#387db4",
  "rgb": {
    "r": 56,
    "g": 125,
    "b": 180
  },
  "hsl": {
    "h": 206.613,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57067,
    "c": 0.10987,
    "h": 245.5
  },
  "luminance": 0.18803
}

Semantic roles & 50–950 ramp

primary

#387DB4

secondary

#C5A082

accent

#8C4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #387DB4

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

Preview Lab → · Contrast checker → · Palette generator →