#3A48AB#3A48AB

#3A48AB is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.158 H 272.3°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3A48AB
RGB	rgb(58, 72, 171)
HSL	hsl(233, 49%, 45%)
HSV	hsv(233, 66%, 67%)
CMYK	cmyk(66.1%, 57.9%, 0%, 32.9%)
CIE-LAB	lab(34.95, 27.04, -54.86)
CIE-LCH	lch(34.95, 61.16, 296.24°)
OKLab	oklab(44.98% 0.0064 -0.1579)
OKLCH	oklch(44.98% 0.158 272.3)
XYZ	xyz(11.4105, 8.4735, 39.5544)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A48AB #AB9D3A

analogous

#3A81AB #3A48AB #643AAB

triadic

#3A48AB #AB3A48 #48AB3A

tetradic

#3A48AB #AB3A81 #AB9D3A #3AAB64

square

#3A48AB #AB3A81 #AB9D3A #3AAB64

split-complementary

#3A48AB #AB643A #81AB3A

monochromatic

#1B2250 #2A357D #3A48AB #5B68C7 #8992D7

Accessibility & contrast

On white

7.79

#3A48AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3A48AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A48AB

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A48AB	#FFFFFF	#000000	##FFFFFF
##3A48AB	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a48ab;
/* rgb */ color: rgb(58, 72, 171);
/* oklch */ color: oklch(45.0% 0.158 272.3);

Tailwind

colors: {
  custom: {
    50: '#7d7ac5',
    500: '#3a48ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a48ab;
$custom-light: #7d7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a48ab",
  "rgb": {
    "r": 58,
    "g": 72,
    "b": 171
  },
  "hsl": {
    "h": 232.566,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44977,
    "c": 0.158,
    "h": 272.3
  },
  "luminance": 0.08475
}

Semantic roles & 50–950 ramp

primary

#3A48AB

secondary

#C1B980

accent

#C84FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A48AB

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

Preview Lab → · Contrast checker → · Palette generator →