#3A4BCB#3A4BCB

#3A4BCB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.2% C 0.197 H 271.0°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A4BCB
RGB	rgb(58, 75, 203)
HSL	hsl(233, 58%, 51%)
HSV	hsv(233, 71%, 80%)
CMYK	cmyk(71.4%, 63.1%, 0%, 20.4%)
CIE-LAB	lab(38.27, 36.49, -68.25)
CIE-LCH	lch(38.27, 77.39, 298.13°)
OKLab	oklab(48.24% 0.0035 -0.1971)
OKLCH	oklch(48.24% 0.197 271)
XYZ	xyz(15.0368, 10.2420, 57.6728)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4BCB #CBBA3A

analogous

#3A93CB #3A4BCB #713ACB

triadic

#3A4BCB #CB3A4B #4BCB3A

tetradic

#3A4BCB #CB3A93 #CBBA3A #3ACB71

square

#3A4BCB #CB3A93 #CBBA3A #3ACB71

split-complementary

#3A4BCB #CB713A #93CB3A

monochromatic

#1D266E #2A379E #3A4BCB #6A77D8 #9BA3E5

Accessibility & contrast

On white

6.89

#3A4BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3A4BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A4BCB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4BCB	#FFFFFF	#000000	##FFFFFF
##3A4BCB	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CF

Deuteranopia (green-blind)

#0053C9

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3a4bcb;
/* rgb */ color: rgb(58, 75, 203);
/* oklch */ color: oklch(48.2% 0.197 271.0);

Tailwind

colors: {
  custom: {
    50: '#847ddc',
    500: '#3a4bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3a4bcb;
$custom-light: #847ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4bcb",
  "rgb": {
    "r": 58,
    "g": 75,
    "b": 203
  },
  "hsl": {
    "h": 232.966,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48239,
    "c": 0.19717,
    "h": 271
  },
  "luminance": 0.10243
}

Semantic roles & 50–950 ramp

primary

#3A4BCB

secondary

#D0C990

accent

#CF46E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3A4BCB

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

Preview Lab → · Contrast checker → · Palette generator →