#384FCB#384FCB

#384FCB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.9% C 0.193 H 269.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#384FCB
RGB	rgb(56, 79, 203)
HSL	hsl(231, 59%, 51%)
HSV	hsv(231, 72%, 80%)
CMYK	cmyk(72.4%, 61.1%, 0%, 20.4%)
CIE-LAB	lab(39.14, 33.72, -66.83)
CIE-LCH	lch(39.14, 74.85, 296.78°)
OKLab	oklab(48.85% -0.0012 -0.193)
OKLCH	oklch(48.85% 0.193 269.6)
XYZ	xyz(15.2027, 10.7429, 57.7607)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#384FCB #CBB438

analogous

#3899CB #384FCB #6A38CB

triadic

#384FCB #CB384F #4FCB38

tetradic

#384FCB #CB3899 #CBB438 #38CB6A

square

#384FCB #CB3899 #CBB438 #38CB6A

split-complementary

#384FCB #CB6A38 #99CB38

monochromatic

#1C296C #293B9D #384FCB #697AD8 #99A5E4

Accessibility & contrast

On white

6.67

#384FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#384FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #384FCB

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##384FCB	#FFFFFF	#000000	##FFFFFF
##384FCB	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #384fcb;
/* rgb */ color: rgb(56, 79, 203);
/* oklch */ color: oklch(48.9% 0.193 269.6);

Tailwind

colors: {
  custom: {
    50: '#8380dc',
    500: '#384fcb',
    950: '#000000',
  },
}

SCSS

$custom: #384fcb;
$custom-light: #8380dc;
$custom-dark: #000000;

JSON

{
  "hex": "#384fcb",
  "rgb": {
    "r": 56,
    "g": 79,
    "b": 203
  },
  "hsl": {
    "h": 230.612,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48853,
    "c": 0.19298,
    "h": 269.6
  },
  "luminance": 0.10745
}

Semantic roles & 50–950 ramp

primary

#384FCB

secondary

#D0C68F

accent

#C946E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #384FCB

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

Preview Lab → · Contrast checker → · Palette generator →