#387BE1#387BE1

#387BE1 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.3% C 0.170 H 258.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#387BE1
RGB	rgb(56, 123, 225)
HSL	hsl(216, 74%, 55%)
HSV	hsv(216, 75%, 88%)
CMYK	cmyk(75.1%, 45.3%, 0%, 11.8%)
CIE-LAB	lab(52.33, 13.85, -58.02)
CIE-LCH	lch(52.33, 59.65, 283.43°)
OKLab	oklab(59.33% -0.0329 -0.1664)
OKLCH	oklch(59.33% 0.17 258.8)
XYZ	xyz(22.2995, 20.4404, 73.9897)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#387BE1 #E19E38

analogous

#38CFE1 #387BE1 #4938E1

triadic

#387BE1 #E1387B #7BE138

tetradic

#387BE1 #E138CF #E19E38 #38E149

square

#387BE1 #E138CF #E19E38 #38E149

split-complementary

#387BE1 #E14938 #CFE138

monochromatic

#15438A #1D5DBF #387BE1 #6D9EE9 #A2C2F1

Accessibility & contrast

On white

4.13

#387BE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#387BE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #387BE1

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##387BE1	#FFFFFF	#000000	##000000
##387BE1	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4585E5

Deuteranopia (green-blind)

#1F76DF

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #387be1;
/* rgb */ color: rgb(56, 123, 225);
/* oklch */ color: oklch(59.3% 0.170 258.8);

Tailwind

colors: {
  custom: {
    50: '#85a0eb',
    500: '#387be1',
    950: '#000000',
  },
}

SCSS

$custom: #387be1;
$custom-light: #85a0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#387be1",
  "rgb": {
    "r": 56,
    "g": 123,
    "b": 225
  },
  "hsl": {
    "h": 216.213,
    "s": 73.799,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59328,
    "c": 0.16962,
    "h": 258.8
  },
  "luminance": 0.20443
}

Semantic roles & 50–950 ramp

primary

#387BE1

secondary

#DEC297

accent

#A737F0

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #387BE1

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

Preview Lab → · Contrast checker → · Palette generator →