#2B43AC#2B43AC

#2B43AC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.170 H 268.4°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B43AC
RGB	rgb(43, 67, 172)
HSL	hsl(229, 60%, 42%)
HSV	hsv(229, 75%, 67%)
CMYK	cmyk(75%, 61%, 0%, 32.5%)
CIE-LAB	lab(32.93, 28.60, -58.78)
CIE-LCH	lch(32.93, 65.37, 295.95°)
OKLab	oklab(43.28% -0.0048 -0.1698)
OKLCH	oklch(43.28% 0.17 268.4)
XYZ	xyz(10.4472, 7.5053, 39.9198)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43AC #AC942B

analogous

#2B84AC #2B43AC #532BAC

triadic

#2B43AC #AC2B43 #43AC2B

tetradic

#2B43AC #AC2B84 #AC942B #2BAC53

square

#2B43AC #AC2B84 #AC942B #2BAC53

split-complementary

#2B43AC #AC532B #84AC2B

monochromatic

#131D4A #1F307B #2B43AC #445ED0 #7588DC

Accessibility & contrast

On white

8.40

#2B43AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2B43AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43AC

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43AC	#FFFFFF	#000000	##FFFFFF
##2B43AC	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b43ac;
/* rgb */ color: rgb(43, 67, 172);
/* oklch */ color: oklch(43.3% 0.170 268.4);

Tailwind

colors: {
  custom: {
    50: '#7876c6',
    500: '#2b43ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b43ac;
$custom-light: #7876c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43ac",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 228.837,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.16985,
    "h": 268.4
  },
  "luminance": 0.07506
}

Semantic roles & 50–950 ramp

primary

#2B43AC

secondary

#C4B46F

accent

#C645E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B43AC

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

Preview Lab → · Contrast checker → · Palette generator →