#2B3AAB#2B3AAB

#2B3AAB is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.179 H 270.4°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B3AAB
RGB	rgb(43, 58, 171)
HSL	hsl(233, 60%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(74.9%, 66.1%, 0%, 32.9%)
CIE-LAB	lab(30.59, 34.10, -62.01)
CIE-LCH	lch(30.59, 70.77, 298.80°)
OKLab	oklab(41.53% 0.0011 -0.1793)
OKLCH	oklch(41.53% 0.179 270.4)
XYZ	xyz(9.8575, 6.4789, 39.2512)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.61

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3AAB #AB9C2B

analogous

#2B7AAB #2B3AAB #5C2BAB

triadic

#2B3AAB #AB2B3A #3AAB2B

tetradic

#2B3AAB #AB2B7A #AB9C2B #2BAB5C

square

#2B3AAB #AB2B7A #AB9C2B #2BAB5C

split-complementary

#2B3AAB #AB5C2B #7AAB2B

monochromatic

#121949 #1F297A #2B3AAB #4354D0 #7480DC

Accessibility & contrast

On white

9.15

#2B3AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2B3AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3AAB

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3AAB	#FFFFFF	#000000	##FFFFFF
##2B3AAB	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b3aab;
/* rgb */ color: rgb(43, 58, 171);
/* oklch */ color: oklch(41.5% 0.179 270.4);

Tailwind

colors: {
  custom: {
    50: '#7870c5',
    500: '#2b3aab',
    950: '#000000',
  },
}

SCSS

$custom: #2b3aab;
$custom-light: #7870c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3aab",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 171
  },
  "hsl": {
    "h": 232.969,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4153,
    "c": 0.17933,
    "h": 270.4
  },
  "luminance": 0.0648
}

Semantic roles & 50–950 ramp

primary

#2B3AAB

secondary

#C4BA6E

accent

#D045E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B3AAB

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

Preview Lab → · Contrast checker → · Palette generator →