#387BDD#387BDD

#387BDD is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.1% C 0.164 H 258.2°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#387BDD
RGB	rgb(56, 123, 221)
HSL	hsl(216, 71%, 54%)
HSV	hsv(216, 75%, 87%)
CMYK	cmyk(74.7%, 44.3%, 0%, 13.3%)
CIE-LAB	lab(52.09, 12.38, -56.16)
CIE-LCH	lch(52.09, 57.51, 282.44°)
OKLab	oklab(59.06% -0.0336 -0.1609)
OKLCH	oklch(59.06% 0.164 258.2)
XYZ	xyz(21.7602, 20.2247, 71.1495)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BDD #DD9A38

analogous

#38CEDD #387BDD #4838DD

triadic

#387BDD #DD387B #7BDD38

tetradic

#387BDD #DD38CE #DD9A38 #38DD48

square

#387BDD #DD38CE #DD9A38 #38DD48

split-complementary

#387BDD #DD4838 #CEDD38

monochromatic

#174384 #1F5EB8 #387BDD #6C9EE6 #A1C0EF

Accessibility & contrast

On white

4.16

#387BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#387BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BDD

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BDD	#FFFFFF	#000000	##000000
##387BDD	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4984E1

Deuteranopia (green-blind)

#2775DB

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #387bdd;
/* rgb */ color: rgb(56, 123, 221);
/* oklch */ color: oklch(59.1% 0.164 258.2);

Tailwind

colors: {
  custom: {
    50: '#84a0e8',
    500: '#387bdd',
    950: '#000000',
  },
}

SCSS

$custom: #387bdd;
$custom-light: #84a0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#387bdd",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 221
  },
  "hsl": {
    "h": 215.636,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59064,
    "c": 0.16438,
    "h": 258.2
  },
  "luminance": 0.20227
}

Semantic roles & 50–950 ramp

primary

#387BDD

secondary

#DBBF95

accent

#A53AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #387BDD

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

Preview Lab → · Contrast checker → · Palette generator →