#2A43B7#2A43B7

#2A43B7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.185 H 268.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A43B7
RGB	rgb(42, 67, 183)
HSL	hsl(229, 63%, 44%)
HSV	hsv(229, 77%, 72%)
CMYK	cmyk(77%, 63.4%, 0%, 28.2%)
CIE-LAB	lab(33.82, 32.58, -63.85)
CIE-LCH	lch(33.82, 71.69, 297.03°)
OKLab	oklab(44.22% -0.0059 -0.1847)
OKLCH	oklch(44.22% 0.185 268.2)
XYZ	xyz(11.5063, 7.9242, 45.7137)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43B7 #B79E2A

analogous

#2A8AB7 #2A43B7 #582AB7

triadic

#2A43B7 #B72A43 #43B72A

tetradic

#2A43B7 #B72A8A #B79E2A #2AB758

square

#2A43B7 #B72A8A #B79E2A #2AB758

split-complementary

#2A43B7 #B7582A #8AB72A

monochromatic

#131F53 #1F3185 #2A43B7 #4962D5 #7B8DE1

Accessibility & contrast

On white

8.12

#2A43B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2A43B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43B7

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43B7	#FFFFFF	#000000	##FFFFFF
##2A43B7	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#0049B5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a43b7;
/* rgb */ color: rgb(42, 67, 183);
/* oklch */ color: oklch(44.2% 0.185 268.2);

Tailwind

colors: {
  custom: {
    50: '#7a77ce',
    500: '#2a43b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a43b7;
$custom-light: #7a77ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43b7",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 183
  },
  "hsl": {
    "h": 229.362,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44222,
    "c": 0.18477,
    "h": 268.2
  },
  "luminance": 0.07925
}

Semantic roles & 50–950 ramp

primary

#2A43B7

secondary

#C9BA74

accent

#C942E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A43B7

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

Preview Lab → · Contrast checker → · Palette generator →