#2A3AB8#2A3AB8

#2A3AB8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.7% C 0.196 H 269.7°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AB8
RGB	rgb(42, 58, 184)
HSL	hsl(233, 63%, 44%)
HSV	hsv(233, 77%, 72%)
CMYK	cmyk(77.2%, 68.5%, 0%, 27.8%)
CIE-LAB	lab(31.76, 38.67, -67.84)
CIE-LCH	lch(31.76, 78.09, 299.69°)
OKLab	oklab(42.74% -0.0009 -0.1964)
OKLCH	oklch(42.74% 0.196 269.7)
XYZ	xyz(11.1167, 6.9778, 46.0991)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AB8 #B8A82A

analogous

#2A81B8 #2A3AB8 #612AB8

triadic

#2A3AB8 #B82A3A #3AB82A

tetradic

#2A3AB8 #B82A81 #B8A82A #2AB861

square

#2A3AB8 #B82A81 #B8A82A #2AB861

split-complementary

#2A3AB8 #B8612A #81B82A

monochromatic

#131B54 #1F2A86 #2A3AB8 #4A59D6 #7B87E1

Accessibility & contrast

On white

8.77

#2A3AB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2A3AB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AB8

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AB8	#FFFFFF	#000000	##FFFFFF
##2A3AB8	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3ab8;
/* rgb */ color: rgb(42, 58, 184);
/* oklch */ color: oklch(42.7% 0.196 269.7);

Tailwind

colors: {
  custom: {
    50: '#7b70ce',
    500: '#2a3ab8',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ab8;
$custom-light: #7b70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ab8",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 184
  },
  "hsl": {
    "h": 233.239,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42736,
    "c": 0.19638,
    "h": 269.7
  },
  "luminance": 0.06979
}

Semantic roles & 50–950 ramp

primary

#2A3AB8

secondary

#C9C075

accent

#D342E6

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2A3AB8

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

Preview Lab → · Contrast checker → · Palette generator →