#2A3FA9#2A3FA9

#2A3FA9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.171 H 269.0°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FA9
RGB	rgb(42, 63, 169)
HSL	hsl(230, 60%, 41%)
HSV	hsv(230, 75%, 66%)
CMYK	cmyk(75.1%, 62.7%, 0%, 33.7%)
CIE-LAB	lab(31.60, 30.00, -59.16)
CIE-LCH	lch(31.60, 66.33, 296.89°)
OKLab	oklab(42.21% -0.003 -0.1709)
OKLCH	oklch(42.21% 0.171 269)
XYZ	xyz(9.8913, 6.9108, 38.3410)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FA9 #A9942A

analogous

#2A7FA9 #2A3FA9 #552AA9

triadic

#2A3FA9 #A92A3F #3FA92A

tetradic

#2A3FA9 #A92A7F #A9942A #2AA955

square

#2A3FA9 #A92A7F #A9942A #2AA955

split-complementary

#2A3FA9 #A9552A #7FA92A

monochromatic

#121A47 #1E2D78 #2A3FA9 #4158D0 #7283DC

Accessibility & contrast

On white

8.81

#2A3FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2A3FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FA9

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FA9	#FFFFFF	#000000	##FFFFFF
##2A3FA9	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AC

Deuteranopia (green-blind)

#0045A7

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3fa9;
/* rgb */ color: rgb(42, 63, 169);
/* oklch */ color: oklch(42.2% 0.171 269.0);

Tailwind

colors: {
  custom: {
    50: '#7774c3',
    500: '#2a3fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fa9;
$custom-light: #7774c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fa9",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 169
  },
  "hsl": {
    "h": 230.079,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42207,
    "c": 0.17098,
    "h": 269
  },
  "luminance": 0.06912
}

Semantic roles & 50–950 ramp

primary

#2A3FA9

secondary

#C3B56C

accent

#C944E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3FA9

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

Preview Lab → · Contrast checker → · Palette generator →