#3A4FAB#3A4FAB

#3A4FAB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.149 H 270.0°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FAB
RGB	rgb(58, 79, 171)
HSL	hsl(229, 49%, 45%)
HSV	hsv(229, 66%, 67%)
CMYK	cmyk(66.1%, 53.8%, 0%, 32.9%)
CIE-LAB	lab(36.80, 22.47, -51.86)
CIE-LCH	lch(36.80, 56.52, 293.42°)
OKLab	oklab(46.36% 0 -0.149)
OKLCH	oklch(46.36% 0.149 270)
XYZ	xyz(11.8891, 9.4307, 39.7139)
Luminance	0.0943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FAB #AB963A

analogous

#3A87AB #3A4FAB #5E3AAB

triadic

#3A4FAB #AB3A4F #4FAB3A

tetradic

#3A4FAB #AB3A87 #AB963A #3AAB5E

square

#3A4FAB #AB3A87 #AB963A #3AAB5E

split-complementary

#3A4FAB #AB5E3A #87AB3A

monochromatic

#1B2550 #2A3A7D #3A4FAB #5B6FC7 #8997D7

Accessibility & contrast

On white

7.28

#3A4FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3A4FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FAB

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FAB	#FFFFFF	#000000	##FFFFFF
##3A4FAB	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#105CAE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3a4fab;
/* rgb */ color: rgb(58, 79, 171);
/* oklch */ color: oklch(46.4% 0.149 270.0);

Tailwind

colors: {
  custom: {
    50: '#7d80c5',
    500: '#3a4fab',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fab;
$custom-light: #7d80c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fab",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 171
  },
  "hsl": {
    "h": 228.85,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46363,
    "c": 0.14896,
    "h": 270
  },
  "luminance": 0.09432
}

Semantic roles & 50–950 ramp

primary

#3A4FAB

secondary

#C1B580

accent

#BF4FD9

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A4FAB

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

Preview Lab → · Contrast checker → · Palette generator →