#2B43A3#2B43A3

#2B43A3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.158 H 268.2°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B43A3
RGB	rgb(43, 67, 163)
HSL	hsl(228, 58%, 40%)
HSV	hsv(228, 74%, 64%)
CMYK	cmyk(73.6%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(32.19, 25.22, -54.59)
CIE-LCH	lch(32.19, 60.13, 294.80°)
OKLab	oklab(42.5% -0.005 -0.1575)
OKLCH	oklch(42.5% 0.158 268.2)
XYZ	xyz(9.6120, 7.1712, 35.5208)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43A3 #A38B2B

analogous

#2B7FA3 #2B43A3 #4F2BA3

triadic

#2B43A3 #A32B43 #43A32B

tetradic

#2B43A3 #A32B7F #A38B2B #2BA34F

square

#2B43A3 #A32B7F #A38B2B #2BA34F

split-complementary

#2B43A3 #A34F2B #7FA32B

monochromatic

#111B42 #1E2F73 #2B43A3 #3F5BCC #6F84D9

Accessibility & contrast

On white

8.63

#2B43A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2B43A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43A3

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43A3	#FFFFFF	#000000	##FFFFFF
##2B43A3	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b43a3;
/* rgb */ color: rgb(43, 67, 163);
/* oklch */ color: oklch(42.5% 0.158 268.2);

Tailwind

colors: {
  custom: {
    50: '#7676bf',
    500: '#2b43a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b43a3;
$custom-light: #7676bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43a3",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 228,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.15755,
    "h": 268.2
  },
  "luminance": 0.07172
}

Semantic roles & 50–950 ramp

primary

#2B43A3

secondary

#C0AF6A

accent

#C246E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B43A3

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

Preview Lab → · Contrast checker → · Palette generator →