#3A4DB5#3A4DB5

#3A4DB5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.165 H 270.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A4DB5
RGB	rgb(58, 77, 181)
HSL	hsl(231, 51%, 47%)
HSV	hsv(231, 68%, 71%)
CMYK	cmyk(68%, 57.5%, 0%, 29%)
CIE-LAB	lab(37.01, 27.38, -57.45)
CIE-LCH	lch(37.01, 63.64, 295.48°)
OKLab	oklab(46.75% 0.0022 -0.1654)
OKLCH	oklch(46.75% 0.165 270.8)
XYZ	xyz(12.7365, 9.5423, 44.8777)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4DB5 #B5A23A

analogous

#3A8AB5 #3A4DB5 #653AB5

triadic

#3A4DB5 #B53A4D #4DB53A

tetradic

#3A4DB5 #B53A8A #B5A23A #3AB565

square

#3A4DB5 #B53A8A #B5A23A #3AB565

split-complementary

#3A4DB5 #B5653A #8AB53A

monochromatic

#1C2658 #2B3987 #3A4DB5 #6071CC #8E9ADB

Accessibility & contrast

On white

7.22

#3A4DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3A4DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4DB5

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4DB5	#FFFFFF	#000000	##FFFFFF
##3A4DB5	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB9

Deuteranopia (green-blind)

#0052B3

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3a4db5;
/* rgb */ color: rgb(58, 77, 181);
/* oklch */ color: oklch(46.8% 0.165 270.8);

Tailwind

colors: {
  custom: {
    50: '#7f7ecc',
    500: '#3a4db5',
    950: '#000000',
  },
}

SCSS

$custom: #3a4db5;
$custom-light: #7f7ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4db5",
  "rgb": {
    "r": 58,
    "g": 77,
    "b": 181
  },
  "hsl": {
    "h": 230.732,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46752,
    "c": 0.16543,
    "h": 270.8
  },
  "luminance": 0.09543
}

Semantic roles & 50–950 ramp

primary

#3A4DB5

secondary

#C6BC85

accent

#C54DDB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3A4DB5

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

Preview Lab → · Contrast checker → · Palette generator →