#3D489B#3D489B

#3D489B is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.134 H 273.8°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3D489B
RGB	rgb(61, 72, 155)
HSL	hsl(233, 44%, 42%)
HSV	hsv(233, 61%, 61%)
CMYK	cmyk(60.6%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(33.97, 21.89, -46.84)
CIE-LCH	lch(33.97, 51.70, 295.05°)
OKLab	oklab(43.92% 0.009 -0.1342)
OKLCH	oklch(43.92% 0.134 273.8)
XYZ	xyz(10.1563, 7.9926, 32.0115)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D489B #9B903D

analogous

#3D779B #3D489B #613D9B

triadic

#3D489B #9B3D48 #489B3D

tetradic

#3D489B #9B3D77 #9B903D #3D9B61

square

#3D489B #9B3D77 #9B903D #3D9B61

split-complementary

#3D489B #9B613D #779B3D

monochromatic

#1A1F43 #2C346F #3D489B #5864BD #848DCF

Accessibility & contrast

On white

8.08

#3D489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3D489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D489B

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D489B	#FFFFFF	#000000	##FFFFFF
##3D489B	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16549E

Deuteranopia (green-blind)

#004C99

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d489b;
/* rgb */ color: rgb(61, 72, 155);
/* oklch */ color: oklch(43.9% 0.134 273.8);

Tailwind

colors: {
  custom: {
    50: '#7c7ab9',
    500: '#3d489b',
    950: '#000000',
  },
}

SCSS

$custom: #3d489b;
$custom-light: #7c7ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d489b",
  "rgb": {
    "r": 61,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 232.979,
    "s": 43.519,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43919,
    "c": 0.13449,
    "h": 273.8
  },
  "luminance": 0.07993
}

Semantic roles & 50–950 ramp

primary

#3D489B

secondary

#B9B17B

accent

#C455D3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3D489B

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

Preview Lab → · Contrast checker → · Palette generator →