#3A4FB3#3A4FB3

#3A4FB3 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.160 H 270.2°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#3A4FB3
RGB	rgb(58, 79, 179)
HSL	hsl(230, 51%, 46%)
HSV	hsv(230, 68%, 70%)
CMYK	cmyk(67.6%, 55.9%, 0%, 29.8%)
CIE-LAB	lab(37.38, 25.36, -55.66)
CIE-LCH	lch(37.38, 61.17, 294.49°)
OKLab	oklab(46.98% 0.0004 -0.1601)
OKLCH	oklch(46.98% 0.16 270.2)
XYZ	xyz(12.6748, 9.7450, 43.8521)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4FB3 #B39E3A

analogous

#3A8CB3 #3A4FB3 #623AB3

triadic

#3A4FB3 #B33A4F #4FB33A

tetradic

#3A4FB3 #B33A8C #B39E3A #3AB362

square

#3A4FB3 #B33A8C #B39E3A #3AB362

split-complementary

#3A4FB3 #B3623A #8CB33A

monochromatic

#1C2657 #2B3B85 #3A4FB3 #5F72CB #8D9BDA

Accessibility & contrast

On white

7.12

#3A4FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3A4FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4FB3

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4FB3	#FFFFFF	#000000	##FFFFFF
##3A4FB3	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3a4fb3;
/* rgb */ color: rgb(58, 79, 179);
/* oklch */ color: oklch(47.0% 0.160 270.2);

Tailwind

colors: {
  custom: {
    50: '#7e80ca',
    500: '#3a4fb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a4fb3;
$custom-light: #7e80ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4fb3",
  "rgb": {
    "r": 58,
    "g": 79,
    "b": 179
  },
  "hsl": {
    "h": 229.587,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46983,
    "c": 0.16013,
    "h": 270.2
  },
  "luminance": 0.09746
}

Semantic roles & 50–950 ramp

primary

#3A4FB3

secondary

#C5BA84

accent

#C24DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A4FB3

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

Preview Lab → · Contrast checker → · Palette generator →