#3A4D99#3A4D99

#3A4D99 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.126 H 270.1°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A4D99
RGB	rgb(58, 77, 153)
HSL	hsl(228, 45%, 41%)
HSV	hsv(228, 62%, 60%)
CMYK	cmyk(62.1%, 49.7%, 0%, 40%)
CIE-LAB	lab(35.02, 17.29, -43.95)
CIE-LCH	lch(35.02, 47.23, 291.48°)
OKLab	oklab(44.62% 0.0002 -0.1257)
OKLCH	oklch(44.62% 0.126 270.1)
XYZ	xyz(10.1466, 8.5064, 31.2380)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4D99 #99863A

analogous

#3A7D99 #3A4D99 #573A99

triadic

#3A4D99 #993A4D #4D993A

tetradic

#3A4D99 #993A7D #99863A #3A9957

square

#3A4D99 #993A7D #99863A #3A9957

split-complementary

#3A4D99 #99573A #7D993A

monochromatic

#182040 #29376D #3A4D99 #5368BE #7F8FCE

Accessibility & contrast

On white

7.77

#3A4D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3A4D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4D99

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4D99	#FFFFFF	#000000	##FFFFFF
##3A4D99	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26579C

Deuteranopia (green-blind)

#144E97

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a4d99;
/* rgb */ color: rgb(58, 77, 153);
/* oklch */ color: oklch(44.6% 0.126 270.1);

Tailwind

colors: {
  custom: {
    50: '#797eb7',
    500: '#3a4d99',
    950: '#000000',
  },
}

SCSS

$custom: #3a4d99;
$custom-light: #797eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4d99",
  "rgb": {
    "r": 58,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 228,
    "s": 45.024,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44618,
    "c": 0.1257,
    "h": 270.1
  },
  "luminance": 0.08507
}

Semantic roles & 50–950 ramp

primary

#3A4D99

secondary

#B8AB77

accent

#BB53D5

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3A4D99

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

Preview Lab → · Contrast checker → · Palette generator →