#2A3FA8#2A3FA8

#2A3FA8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.170 H 269.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FA8
RGB	rgb(42, 63, 168)
HSL	hsl(230, 60%, 41%)
HSV	hsv(230, 75%, 66%)
CMYK	cmyk(75%, 62.5%, 0%, 34.1%)
CIE-LAB	lab(31.52, 29.63, -58.70)
CIE-LCH	lch(31.52, 65.75, 296.78°)
OKLab	oklab(42.12% -0.003 -0.1696)
OKLCH	oklch(42.12% 0.17 269)
XYZ	xyz(9.7978, 6.8734, 37.8485)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FA8 #A8932A

analogous

#2A7EA8 #2A3FA8 #542AA8

triadic

#2A3FA8 #A82A3F #3FA82A

tetradic

#2A3FA8 #A82A7E #A8932A #2AA854

square

#2A3FA8 #A82A7E #A8932A #2AA854

split-complementary

#2A3FA8 #A8542A #7EA82A

monochromatic

#121A46 #1E2D77 #2A3FA8 #4058CF #7183DB

Accessibility & contrast

On white

8.84

#2A3FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2A3FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FA8

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FA8	#FFFFFF	#000000	##FFFFFF
##2A3FA8	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0044A6

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3fa8;
/* rgb */ color: rgb(42, 63, 168);
/* oklch */ color: oklch(42.1% 0.170 269.0);

Tailwind

colors: {
  custom: {
    50: '#7773c3',
    500: '#2a3fa8',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fa8;
$custom-light: #7773c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fa8",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 168
  },
  "hsl": {
    "h": 230,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42116,
    "c": 0.16964,
    "h": 269
  },
  "luminance": 0.06874
}

Semantic roles & 50–950 ramp

primary

#2A3FA8

secondary

#C3B46B

accent

#C945E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3FA8

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

Preview Lab → · Contrast checker → · Palette generator →