#384CBB#384CBB

#384CBB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.175 H 270.4°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#384CBB
RGB	rgb(56, 76, 187)
HSL	hsl(231, 54%, 48%)
HSV	hsv(231, 70%, 73%)
CMYK	cmyk(70.1%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(37.11, 29.90, -60.82)
CIE-LCH	lch(37.11, 67.77, 296.18°)
OKLab	oklab(46.94% 0.0011 -0.1754)
OKLCH	oklch(46.94% 0.175 270.4)
XYZ	xyz(13.1819, 9.5962, 48.1616)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#384CBB #BBA738

analogous

#388DBB #384CBB #6638BB

triadic

#384CBB #BB384C #4CBB38

tetradic

#384CBB #BB388D #BBA738 #38BB66

square

#384CBB #BB388D #BBA738 #38BB66

split-complementary

#384CBB #BB6638 #8DBB38

monochromatic

#1C265D #2A398C #384CBB #6172D0 #909CDE

Accessibility & contrast

On white

7.19

#384CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#384CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #384CBB

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##384CBB	#FFFFFF	#000000	##FFFFFF
##384CBB	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #384cbb;
/* rgb */ color: rgb(56, 76, 187);
/* oklch */ color: oklch(46.9% 0.175 270.4);

Tailwind

colors: {
  custom: {
    50: '#7f7dd0',
    500: '#384cbb',
    950: '#000000',
  },
}

SCSS

$custom: #384cbb;
$custom-light: #7f7dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#384cbb",
  "rgb": {
    "r": 56,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 230.84,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46943,
    "c": 0.17538,
    "h": 270.4
  },
  "luminance": 0.09597
}

Semantic roles & 50–950 ramp

primary

#384CBB

secondary

#C8BE86

accent

#C74BDD

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #384CBB

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

Preview Lab → · Contrast checker → · Palette generator →