#387EF2#387EF2

#387EF2 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.1% C 0.188 H 260.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#387EF2
RGB	rgb(56, 126, 242)
HSL	hsl(217, 88%, 58%)
HSV	hsv(217, 77%, 95%)
CMYK	cmyk(76.9%, 47.9%, 0%, 5.1%)
CIE-LAB	lab(54.21, 18.22, -64.50)
CIE-LCH	lch(54.21, 67.03, 285.78°)
OKLab	oklab(61.11% -0.0326 -0.1854)
OKLCH	oklch(61.11% 0.188 260)
XYZ	xyz(25.1129, 22.1703, 86.9429)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387EF2 #F2AC38

analogous

#38DBF2 #387EF2 #4F38F2

triadic

#387EF2 #F2387E #7EF238

tetradic

#387EF2 #F238DB #F2AC38 #38F24F

square

#387EF2 #F238DB #F2AC38 #38F24F

split-complementary

#387EF2 #F24F38 #DBF238

monochromatic

#0B45A5 #0F5DDE #387EF2 #71A3F6 #ABC8FA

Accessibility & contrast

On white

3.86

#387EF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#387EF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387EF2

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387EF2	#FFFFFF	#000000	##000000
##387EF2	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8BF6

Deuteranopia (green-blind)

#007AF0

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #387ef2;
/* rgb */ color: rgb(56, 126, 242);
/* oklch */ color: oklch(61.1% 0.188 260.0);

Tailwind

colors: {
  custom: {
    50: '#88a2f7',
    500: '#387ef2',
    950: '#000000',
  },
}

SCSS

$custom: #387ef2;
$custom-light: #88a2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#387ef2",
  "rgb": {
    "r": 56,
    "g": 126,
    "b": 242
  },
  "hsl": {
    "h": 217.419,
    "s": 87.736,
    "l": 58.431
  },
  "oklch": {
    "l": 0.61109,
    "c": 0.18825,
    "h": 260
  },
  "luminance": 0.22173
}

Semantic roles & 50–950 ramp

primary

#387EF2

secondary

#E8CC9E

accent

#AE2AFE

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0D0F17

muted

#7E7E85

Preview Lab

Preview with #387EF2

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

Preview Lab → · Contrast checker → · Palette generator →