#387EE3#387EE3

#387EE3 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.1% C 0.169 H 258.0°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#387EE3
RGB	rgb(56, 126, 227)
HSL	hsl(215, 75%, 55%)
HSV	hsv(215, 75%, 89%)
CMYK	cmyk(75.3%, 44.5%, 0%, 11%)
CIE-LAB	lab(53.28, 12.73, -57.62)
CIE-LCH	lch(53.28, 59.01, 282.46°)
OKLab	oklab(60.1% -0.035 -0.1651)
OKLCH	oklch(60.1% 0.169 258)
XYZ	xyz(22.9518, 21.3059, 75.5610)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387EE3 #E39D38

analogous

#38D3E3 #387EE3 #4838E3

triadic

#387EE3 #E3387E #7EE338

tetradic

#387EE3 #E338D3 #E39D38 #38E348

square

#387EE3 #E338D3 #E39D38 #38E348

split-complementary

#387EE3 #E34838 #D3E338

monochromatic

#14458D #1B60C2 #387EE3 #6EA1EB #A3C4F2

Accessibility & contrast

On white

3.99

#387EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#387EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387EE3

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387EE3	#FFFFFF	#000000	##000000
##387EE3	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A88E7

Deuteranopia (green-blind)

#2678E1

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #387ee3;
/* rgb */ color: rgb(56, 126, 227);
/* oklch */ color: oklch(60.1% 0.169 258.0);

Tailwind

colors: {
  custom: {
    50: '#85a2ec',
    500: '#387ee3',
    950: '#000000',
  },
}

SCSS

$custom: #387ee3;
$custom-light: #85a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#387ee3",
  "rgb": {
    "r": 56,
    "g": 126,
    "b": 227
  },
  "hsl": {
    "h": 215.439,
    "s": 75.33,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60101,
    "c": 0.16882,
    "h": 258
  },
  "luminance": 0.21309
}

Semantic roles & 50–950 ramp

primary

#387EE3

secondary

#DFC298

accent

#A536F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #387EE3

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

Preview Lab → · Contrast checker → · Palette generator →