#4341BB#4341BB

#4341BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.186 H 276.8°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4341BB
RGB	rgb(67, 65, 187)
HSL	hsl(241, 48%, 49%)
HSV	hsv(241, 65%, 73%)
CMYK	cmyk(64.2%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(35.12, 38.38, -64.03)
CIE-LCH	lch(35.12, 74.65, 300.94°)
OKLab	oklab(45.66% 0.0221 -0.1846)
OKLCH	oklch(45.66% 0.186 276.8)
XYZ	xyz(13.1718, 8.5607, 47.9623)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4341BB #B9BB41

analogous

#417CBB #4341BB #8041BB

triadic

#4341BB #BB4341 #41BB43

tetradic

#4341BB #BB417C #B9BB41 #41BB80

square

#4341BB #BB417C #B9BB41 #41BB80

split-complementary

#4341BB #BB8041 #7CBB41

monochromatic

#222160 #33318E #4341BB #6F6DCC #9B9ADC

Accessibility & contrast

On white

7.74

#4341BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4341BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4341BB

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4341BB	#FFFFFF	#000000	##FFFFFF
##4341BB	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4341bb;
/* rgb */ color: rgb(67, 65, 187);
/* oklch */ color: oklch(45.7% 0.186 276.8);

Tailwind

colors: {
  custom: {
    50: '#8576d0',
    500: '#4341bb',
    950: '#000000',
  },
}

SCSS

$custom: #4341bb;
$custom-light: #8576d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4341bb",
  "rgb": {
    "r": 67,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 240.984,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45662,
    "c": 0.18593,
    "h": 276.8
  },
  "luminance": 0.08562
}

Semantic roles & 50–950 ramp

primary

#4341BB

secondary

#C7C890

accent

#D850D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4341BB

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

Preview Lab → · Contrast checker → · Palette generator →