#3B499D#3B499D

#3B499D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.137 H 272.5°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3B499D
RGB	rgb(59, 73, 157)
HSL	hsl(231, 45%, 42%)
HSV	hsv(231, 62%, 62%)
CMYK	cmyk(62.4%, 53.5%, 0%, 38.4%)
CIE-LAB	lab(34.25, 21.56, -47.60)
CIE-LCH	lch(34.25, 52.25, 294.37°)
OKLab	oklab(44.14% 0.0059 -0.1365)
OKLCH	oklch(44.14% 0.137 272.5)
XYZ	xyz(10.2700, 8.1284, 32.9195)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B499D #9D8F3B

analogous

#3B7A9D #3B499D #5E3B9D

triadic

#3B499D #9D3B49 #499D3B

tetradic

#3B499D #9D3B7A #9D8F3B #3B9D5E

square

#3B499D #9D3B7A #9D8F3B #3B9D5E

split-complementary

#3B499D #9D5E3B #7A9D3B

monochromatic

#1A2044 #2A3471 #3B499D #5665BF #828DD0

Accessibility & contrast

On white

8.00

#3B499D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3B499D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B499D

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B499D	#FFFFFF	#000000	##FFFFFF
##3B499D	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1555A0

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3b499d;
/* rgb */ color: rgb(59, 73, 157);
/* oklch */ color: oklch(44.1% 0.137 272.5);

Tailwind

colors: {
  custom: {
    50: '#7b7bba',
    500: '#3b499d',
    950: '#000000',
  },
}

SCSS

$custom: #3b499d;
$custom-light: #7b7bba;
$custom-dark: #000000;

JSON

{
  "hex": "#3b499d",
  "rgb": {
    "r": 59,
    "g": 73,
    "b": 157
  },
  "hsl": {
    "h": 231.429,
    "s": 45.37,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44142,
    "c": 0.13659,
    "h": 272.5
  },
  "luminance": 0.08129
}

Semantic roles & 50–950 ramp

primary

#3B499D

secondary

#BAB17A

accent

#C253D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B499D

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

Preview Lab → · Contrast checker → · Palette generator →