#2A3FA3#2A3FA3

#2A3FA3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.163 H 269.0°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FA3
RGB	rgb(42, 63, 163)
HSL	hsl(230, 59%, 40%)
HSV	hsv(230, 74%, 64%)
CMYK	cmyk(74.2%, 61.3%, 0%, 36.1%)
CIE-LAB	lab(31.09, 27.76, -56.39)
CIE-LCH	lch(31.09, 62.85, 296.21°)
OKLab	oklab(41.67% -0.0029 -0.1628)
OKLCH	oklch(41.67% 0.163 269)
XYZ	xyz(9.3409, 6.6906, 35.4424)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FA3 #A38E2A

analogous

#2A7BA3 #2A3FA3 #522AA3

triadic

#2A3FA3 #A32A3F #3FA32A

tetradic

#2A3FA3 #A32A7B #A38E2A #2AA352

square

#2A3FA3 #A32A7B #A38E2A #2AA352

split-complementary

#2A3FA3 #A3522A #7BA32A

monochromatic

#111942 #1D2C72 #2A3FA3 #3D56CD #6E81DA

Accessibility & contrast

On white

8.98

#2A3FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2A3FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FA3

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FA3	#FFFFFF	#000000	##FFFFFF
##2A3FA3	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0044A1

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3fa3;
/* rgb */ color: rgb(42, 63, 163);
/* oklch */ color: oklch(41.7% 0.163 269.0);

Tailwind

colors: {
  custom: {
    50: '#7573bf',
    500: '#2a3fa3',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fa3;
$custom-light: #7573bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fa3",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 163
  },
  "hsl": {
    "h": 229.587,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4167,
    "c": 0.16285,
    "h": 269
  },
  "luminance": 0.06692
}

Semantic roles & 50–950 ramp

primary

#2A3FA3

secondary

#C0B168

accent

#C746E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3FA3

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

Preview Lab → · Contrast checker → · Palette generator →