#384BBB#384BBB

#384BBB is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.177 H 270.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#384BBB
RGB	rgb(56, 75, 187)
HSL	hsl(231, 54%, 48%)
HSV	hsv(231, 70%, 73%)
CMYK	cmyk(70.1%, 59.9%, 0%, 26.7%)
CIE-LAB	lab(36.85, 30.54, -61.23)
CIE-LCH	lch(36.85, 68.43, 296.51°)
OKLab	oklab(46.75% 0.0019 -0.1766)
OKLCH	oklch(46.75% 0.177 270.6)
XYZ	xyz(13.1136, 9.4595, 48.1388)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#384BBB #BBA838

analogous

#388CBB #384BBB #6738BB

triadic

#384BBB #BB384B #4BBB38

tetradic

#384BBB #BB388C #BBA838 #38BB67

square

#384BBB #BB388C #BBA838 #38BB67

split-complementary

#384BBB #BB6738 #8CBB38

monochromatic

#1C255D #2A388C #384BBB #6171D0 #909BDE

Accessibility & contrast

On white

7.26

#384BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#384BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #384BBB

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##384BBB	#FFFFFF	#000000	##FFFFFF
##384BBB	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #384bbb;
/* rgb */ color: rgb(56, 75, 187);
/* oklch */ color: oklch(46.8% 0.177 270.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#384bbb",
  "rgb": {
    "r": 56,
    "g": 75,
    "b": 187
  },
  "hsl": {
    "h": 231.298,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46754,
    "c": 0.17662,
    "h": 270.6
  },
  "luminance": 0.09461
}

Semantic roles & 50–950 ramp

primary

#384BBB

secondary

#C8BF86

accent

#C84BDD

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #384BBB

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

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