#3B41CB#3B41CB

#3B41CB is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.6% C 0.208 H 273.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#3B41CB
RGB	rgb(59, 65, 203)
HSL	hsl(238, 58%, 51%)
HSV	hsv(238, 71%, 80%)
CMYK	cmyk(70.9%, 68%, 0%, 20.4%)
CIE-LAB	lab(36.02, 42.74, -71.93)
CIE-LCH	lch(36.02, 83.67, 300.72°)
OKLab	oklab(46.61% 0.011 -0.2079)
OKLCH	oklch(46.61% 0.208 273)
XYZ	xyz(14.4698, 9.0208, 57.4669)
Luminance	0.0902 (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

#3B41CB #CBC53B

analogous

#3B89CB #3B41CB #7D3BCB

triadic

#3B41CB #CB3B41 #41CB3B

tetradic

#3B41CB #CB3B89 #CBC53B #3BCB7D

square

#3B41CB #CB3B89 #CBC53B #3BCB7D

split-complementary

#3B41CB #CB7D3B #89CB3B

monochromatic

#1D216E #2A2F9F #3B41CB #6B70D8 #9C9FE5

Accessibility & contrast

On white

7.49

#3B41CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3B41CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B41CB

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B41CB	#FFFFFF	#000000	##FFFFFF
##3B41CB	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b41cb;
/* rgb */ color: rgb(59, 65, 203);
/* oklch */ color: oklch(46.6% 0.208 273.0);

Tailwind

colors: {
  custom: {
    50: '#8576dc',
    500: '#3b41cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b41cb;
$custom-light: #8576dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b41cb",
  "rgb": {
    "r": 59,
    "g": 65,
    "b": 203
  },
  "hsl": {
    "h": 237.5,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46613,
    "c": 0.20824,
    "h": 273
  },
  "luminance": 0.09022
}

Semantic roles & 50–950 ramp

primary

#3B41CB

secondary

#D1CE91

accent

#DB47E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3B41CB

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

Preview Lab → · Contrast checker → · Palette generator →