#3B4E99#3B4E99

#3B4E99 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.9% C 0.124 H 270.1°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E99
RGB	rgb(59, 78, 153)
HSL	hsl(228, 44%, 42%)
HSV	hsv(228, 61%, 60%)
CMYK	cmyk(61.4%, 49%, 0%, 40%)
CIE-LAB	lab(35.36, 16.83, -43.40)
CIE-LCH	lch(35.36, 46.55, 291.20°)
OKLab	oklab(44.89% 0.0002 -0.124)
OKLCH	oklch(44.89% 0.124 270.1)
XYZ	xyz(10.2759, 8.6777, 31.2643)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E99 #99863B

analogous

#3B7D99 #3B4E99 #573B99

triadic

#3B4E99 #993B4E #4E993B

tetradic

#3B4E99 #993B7D #99863B #3B9957

square

#3B4E99 #993B7D #99863B #3B9957

split-complementary

#3B4E99 #99573B #7D993B

monochromatic

#192141 #2A376D #3B4E99 #5469BD #8090CE

Accessibility & contrast

On white

7.68

#3B4E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3B4E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E99

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E99	#FFFFFF	#000000	##FFFFFF
##3B4E99	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28589C

Deuteranopia (green-blind)

#184F97

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b4e99;
/* rgb */ color: rgb(59, 78, 153);
/* oklch */ color: oklch(44.9% 0.124 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a7fb7',
    500: '#3b4e99',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e99;
$custom-light: #7a7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e99",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 153
  },
  "hsl": {
    "h": 227.872,
    "s": 44.34,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44893,
    "c": 0.12405,
    "h": 270.1
  },
  "luminance": 0.08678
}

Semantic roles & 50–950 ramp

primary

#3B4E99

secondary

#B8AB78

accent

#BA54D4

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3B4E99

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

Preview Lab → · Contrast checker → · Palette generator →