#2A3AA1#2A3AA1

#2A3AA1 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.166 H 270.2°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AA1
RGB	rgb(42, 58, 161)
HSL	hsl(232, 59%, 40%)
HSV	hsv(232, 74%, 63%)
CMYK	cmyk(73.9%, 64%, 0%, 36.9%)
CIE-LAB	lab(29.64, 30.31, -57.55)
CIE-LCH	lch(29.64, 65.05, 297.78°)
OKLab	oklab(40.54% 0.0006 -0.1663)
OKLCH	oklch(40.54% 0.166 270.2)
XYZ	xyz(8.8987, 6.0906, 34.4179)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AA1 #A1912A

analogous

#2A75A1 #2A3AA1 #562AA1

triadic

#2A3AA1 #A12A3A #3AA12A

tetradic

#2A3AA1 #A12A75 #A1912A #2AA156

square

#2A3AA1 #A12A75 #A1912A #2AA156

split-complementary

#2A3AA1 #A1562A #75A12A

monochromatic

#111740 #1D2970 #2A3AA1 #3C4FCC #6D7BD9

Accessibility & contrast

On white

9.47

#2A3AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2A3AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AA1

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AA1	#FFFFFF	#000000	##FFFFFF
##2A3AA1	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3aa1;
/* rgb */ color: rgb(42, 58, 161);
/* oklch */ color: oklch(40.5% 0.166 270.2);

Tailwind

colors: {
  custom: {
    50: '#7570be',
    500: '#2a3aa1',
    950: '#000000',
  },
}

SCSS

$custom: #2a3aa1;
$custom-light: #7570be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3aa1",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 161
  },
  "hsl": {
    "h": 231.933,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40544,
    "c": 0.16629,
    "h": 270.2
  },
  "luminance": 0.06092
}

Semantic roles & 50–950 ramp

primary

#2A3AA1

secondary

#C0B467

accent

#CD46E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3AA1

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

Preview Lab → · Contrast checker → · Palette generator →