#2A3FA1#2A3FA1

#2A3FA1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.160 H 269.0°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FA1
RGB	rgb(42, 63, 161)
HSL	hsl(229, 59%, 40%)
HSV	hsv(229, 74%, 63%)
CMYK	cmyk(73.9%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(30.92, 27.01, -55.45)
CIE-LCH	lch(30.92, 61.68, 295.97°)
OKLab	oklab(41.49% -0.0029 -0.1601)
OKLCH	oklch(41.49% 0.16 269)
XYZ	xyz(9.1632, 6.6195, 34.5061)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FA1 #A18C2A

analogous

#2A7AA1 #2A3FA1 #512AA1

triadic

#2A3FA1 #A12A3F #3FA12A

tetradic

#2A3FA1 #A12A7A #A18C2A #2AA151

square

#2A3FA1 #A12A7A #A18C2A #2AA151

split-complementary

#2A3FA1 #A1512A #7AA12A

monochromatic

#111940 #1D2C70 #2A3FA1 #3C55CC #6D80D9

Accessibility & contrast

On white

9.04

#2A3FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2A3FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FA1

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FA1	#FFFFFF	#000000	##FFFFFF
##2A3FA1	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3fa1;
/* rgb */ color: rgb(42, 63, 161);
/* oklch */ color: oklch(41.5% 0.160 269.0);

Tailwind

colors: {
  custom: {
    50: '#7573be',
    500: '#2a3fa1',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fa1;
$custom-light: #7573be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fa1",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 229.412,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41493,
    "c": 0.16011,
    "h": 269
  },
  "luminance": 0.0662
}

Semantic roles & 50–950 ramp

primary

#2A3FA1

secondary

#C0B067

accent

#C646E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3FA1

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

Preview Lab → · Contrast checker → · Palette generator →