#2A3AAA#2A3AAA

#2A3AAA is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.178 H 270.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AAA
RGB	rgb(42, 58, 170)
HSL	hsl(233, 60%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(75.3%, 65.9%, 0%, 33.3%)
CIE-LAB	lab(30.45, 33.62, -61.65)
CIE-LCH	lch(30.45, 70.22, 298.61°)
OKLab	oklab(41.38% 0.0002 -0.1783)
OKLCH	oklch(41.38% 0.178 270.1)
XYZ	xyz(9.7211, 6.4196, 38.7492)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.80

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AAA #AA9A2A

analogous

#2A7AAA #2A3AAA #5A2AAA

triadic

#2A3AAA #AA2A3A #3AAA2A

tetradic

#2A3AAA #AA2A7A #AA9A2A #2AAA5A

square

#2A3AAA #AA2A7A #AA9A2A #2AAA5A

split-complementary

#2A3AAA #AA5A2A #7AAA2A

monochromatic

#121948 #1E2979 #2A3AAA #4153D0 #727FDC

Accessibility & contrast

On white

9.19

#2A3AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2A3AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AAA

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AAA	#FFFFFF	#000000	##FFFFFF
##2A3AAA	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3aaa;
/* rgb */ color: rgb(42, 58, 170);
/* oklch */ color: oklch(41.4% 0.178 270.1);

Tailwind

colors: {
  custom: {
    50: '#7870c4',
    500: '#2a3aaa',
    950: '#000000',
  },
}

SCSS

$custom: #2a3aaa;
$custom-light: #7870c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3aaa",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 170
  },
  "hsl": {
    "h": 232.5,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41384,
    "c": 0.17829,
    "h": 270.1
  },
  "luminance": 0.06421
}

Semantic roles & 50–950 ramp

primary

#2A3AAA

secondary

#C3B96C

accent

#D044E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A3AAA

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

Preview Lab → · Contrast checker → · Palette generator →