#2B43A4#2B43A4

#2B43A4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.159 H 268.2°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B43A4
RGB	rgb(43, 67, 164)
HSL	hsl(228, 58%, 41%)
HSV	hsv(228, 74%, 64%)
CMYK	cmyk(73.8%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.27, 25.60, -55.06)
CIE-LCH	lch(32.27, 60.72, 294.93°)
OKLab	oklab(42.59% -0.0049 -0.1588)
OKLCH	oklch(42.59% 0.159 268.2)
XYZ	xyz(9.7019, 7.2072, 35.9946)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43A4 #A48C2B

analogous

#2B7FA4 #2B43A4 #4F2BA4

triadic

#2B43A4 #A42B43 #43A42B

tetradic

#2B43A4 #A42B7F #A48C2B #2BA44F

square

#2B43A4 #A42B7F #A48C2B #2BA44F

split-complementary

#2B43A4 #A44F2B #7FA42B

monochromatic

#121B43 #1E2F74 #2B43A4 #3F5BCD #7085D9

Accessibility & contrast

On white

8.60

#2B43A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B43A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43A4

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43A4	#FFFFFF	#000000	##FFFFFF
##2B43A4	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b43a4;
/* rgb */ color: rgb(43, 67, 164);
/* oklch */ color: oklch(42.6% 0.159 268.2);

Tailwind

colors: {
  custom: {
    50: '#7676c0',
    500: '#2b43a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b43a4;
$custom-light: #7676c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43a4",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 228.099,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42589,
    "c": 0.15893,
    "h": 268.2
  },
  "luminance": 0.07208
}

Semantic roles & 50–950 ramp

primary

#2B43A4

secondary

#C1AF6A

accent

#C346E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B43A4

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

Preview Lab → · Contrast checker → · Palette generator →