#3B3FCB#3B3FCB

#3B3FCB is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.210 H 273.3°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FCB
RGB	rgb(59, 63, 203)
HSL	hsl(238, 58%, 51%)
HSV	hsv(238, 71%, 80%)
CMYK	cmyk(70.9%, 69%, 0%, 20.4%)
CIE-LAB	lab(35.59, 43.93, -72.65)
CIE-LCH	lch(35.59, 84.90, 301.16°)
OKLab	oklab(46.3% 0.0122 -0.21)
OKLCH	oklch(46.3% 0.21 273.3)
XYZ	xyz(14.3570, 8.7952, 57.4294)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B3FCB #CBC73B

analogous

#3B87CB #3B3FCB #7F3BCB

triadic

#3B3FCB #CB3B3F #3FCB3B

tetradic

#3B3FCB #CB3B87 #CBC73B #3BCB7F

square

#3B3FCB #CB3B87 #CBC73B #3BCB7F

split-complementary

#3B3FCB #CB7F3B #87CB3B

monochromatic

#1D206E #2A2D9F #3B3FCB #6B6ED8 #9C9EE5

Accessibility & contrast

On white

7.61

#3B3FCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3B3FCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FCB

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FCB	#FFFFFF	#000000	##FFFFFF
##3B3FCB	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACF

Deuteranopia (green-blind)

#004DC8

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b3fcb;
/* rgb */ color: rgb(59, 63, 203);
/* oklch */ color: oklch(46.3% 0.210 273.3);

Tailwind

colors: {
  custom: {
    50: '#8575dc',
    500: '#3b3fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fcb;
$custom-light: #8575dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fcb",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 238.333,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46298,
    "c": 0.2104,
    "h": 273.3
  },
  "luminance": 0.08797
}

Semantic roles & 50–950 ramp

primary

#3B3FCB

secondary

#D1CF91

accent

#DD47E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3B3FCB

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

Preview Lab → · Contrast checker → · Palette generator →