#3A4EB3#3A4EB3

#3A4EB3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.161 H 270.5°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A4EB3
RGB	rgb(58, 78, 179)
HSL	hsl(230, 51%, 46%)
HSV	hsv(230, 68%, 70%)
CMYK	cmyk(67.6%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(37.12, 26.01, -56.09)
CIE-LCH	lch(37.12, 61.83, 294.88°)
OKLab	oklab(46.79% 0.0013 -0.1614)
OKLCH	oklch(46.79% 0.161 270.5)
XYZ	xyz(12.6032, 9.6018, 43.8282)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4EB3 #B39F3A

analogous

#3A8BB3 #3A4EB3 #633AB3

triadic

#3A4EB3 #B33A4E #4EB33A

tetradic

#3A4EB3 #B33A8B #B39F3A #3AB363

square

#3A4EB3 #B33A8B #B39F3A #3AB363

split-complementary

#3A4EB3 #B3633A #8BB33A

monochromatic

#1C2657 #2B3A85 #3A4EB3 #5F71CB #8D9ADA

Accessibility & contrast

On white

7.19

#3A4EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3A4EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4EB3

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4EB3	#FFFFFF	#000000	##FFFFFF
##3A4EB3	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3a4eb3;
/* rgb */ color: rgb(58, 78, 179);
/* oklch */ color: oklch(46.8% 0.161 270.5);

Tailwind

colors: {
  custom: {
    50: '#7e7fca',
    500: '#3a4eb3',
    950: '#000000',
  },
}

SCSS

$custom: #3a4eb3;
$custom-light: #7e7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4eb3",
  "rgb": {
    "r": 58,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 230.083,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46787,
    "c": 0.16141,
    "h": 270.5
  },
  "luminance": 0.09603
}

Semantic roles & 50–950 ramp

primary

#3A4EB3

secondary

#C5BA84

accent

#C34DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A4EB3

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

Preview Lab → · Contrast checker → · Palette generator →