#2A43AC#2A43AC

#2A43AC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.170 H 268.1°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#2A43AC
RGB	rgb(42, 67, 172)
HSL	hsl(228, 61%, 42%)
HSV	hsv(228, 76%, 67%)
CMYK	cmyk(75.6%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.88, 28.49, -58.86)
CIE-LCH	lch(32.88, 65.39, 295.83°)
OKLab	oklab(43.24% -0.0058 -0.17)
OKLCH	oklch(43.24% 0.17 268.1)
XYZ	xyz(10.4058, 7.4840, 39.9179)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43AC #AC932A

analogous

#2A84AC #2A43AC #522AAC

triadic

#2A43AC #AC2A43 #43AC2A

tetradic

#2A43AC #AC2A84 #AC932A #2AAC52

square

#2A43AC #AC2A84 #AC932A #2AAC52

split-complementary

#2A43AC #AC522A #84AC2A

monochromatic

#121D4A #1E307B #2A43AC #425ED1 #7388DD

Accessibility & contrast

On white

8.41

#2A43AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2A43AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43AC

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43AC	#FFFFFF	#000000	##FFFFFF
##2A43AC	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2a43ac;
/* rgb */ color: rgb(42, 67, 172);
/* oklch */ color: oklch(43.2% 0.170 268.1);

Tailwind

colors: {
  custom: {
    50: '#7776c6',
    500: '#2a43ac',
    950: '#000000',
  },
}

SCSS

$custom: #2a43ac;
$custom-light: #7776c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43ac",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 228.462,
    "s": 60.748,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43235,
    "c": 0.17013,
    "h": 268.1
  },
  "luminance": 0.07485
}

Semantic roles & 50–950 ramp

primary

#2A43AC

secondary

#C4B46D

accent

#C544E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A43AC

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

Preview Lab → · Contrast checker → · Palette generator →