#3B489E#3B489E

#3B489E is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.139 H 272.9°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3B489E
RGB	rgb(59, 72, 158)
HSL	hsl(232, 46%, 43%)
HSV	hsv(232, 63%, 62%)
CMYK	cmyk(62.7%, 54.4%, 0%, 38%)
CIE-LAB	lab(34.05, 22.57, -48.52)
CIE-LCH	lch(34.05, 53.52, 294.95°)
OKLab	oklab(44.02% 0.0069 -0.1392)
OKLCH	oklch(44.02% 0.139 272.9)
XYZ	xyz(10.2905, 8.0323, 33.3492)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B489E #9E913B

analogous

#3B7A9E #3B489E #5F3B9E

triadic

#3B489E #9E3B48 #489E3B

tetradic

#3B489E #9E3B7A #9E913B #3B9E5F

square

#3B489E #9E3B7A #9E913B #3B9E5F

split-complementary

#3B489E #9E5F3B #7A9E3B

monochromatic

#1A1F45 #2A3471 #3B489E #5664C0 #838DD1

Accessibility & contrast

On white

8.06

#3B489E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3B489E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B489E

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B489E	#FFFFFF	#000000	##FFFFFF
##3B489E	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F55A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b489e;
/* rgb */ color: rgb(59, 72, 158);
/* oklch */ color: oklch(44.0% 0.139 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b7abb',
    500: '#3b489e',
    950: '#000000',
  },
}

SCSS

$custom: #3b489e;
$custom-light: #7b7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b489e",
  "rgb": {
    "r": 59,
    "g": 72,
    "b": 158
  },
  "hsl": {
    "h": 232.121,
    "s": 45.622,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44015,
    "c": 0.13936,
    "h": 272.9
  },
  "luminance": 0.08033
}

Semantic roles & 50–950 ramp

primary

#3B489E

secondary

#BBB27A

accent

#C453D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B489E

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

Preview Lab → · Contrast checker → · Palette generator →