#2B43AD#2B43AD

#2B43AD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.171 H 268.4°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B43AD
RGB	rgb(43, 67, 173)
HSL	hsl(229, 60%, 42%)
HSV	hsv(229, 75%, 68%)
CMYK	cmyk(75.1%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(33.01, 28.98, -59.24)
CIE-LCH	lch(33.01, 65.95, 296.06°)
OKLab	oklab(43.37% -0.0048 -0.1711)
OKLCH	oklch(43.37% 0.171 268.4)
XYZ	xyz(10.5436, 7.5439, 40.4275)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43AD #AD952B

analogous

#2B84AD #2B43AD #542BAD

triadic

#2B43AD #AD2B43 #43AD2B

tetradic

#2B43AD #AD2B84 #AD952B #2BAD54

square

#2B43AD #AD2B84 #AD952B #2BAD54

split-complementary

#2B43AD #AD542B #84AD2B

monochromatic

#131D4B #1F307C #2B43AD #455ED1 #7689DD

Accessibility & contrast

On white

8.37

#2B43AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2B43AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43AD

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43AD	#FFFFFF	#000000	##FFFFFF
##2B43AD	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b43ad;
/* rgb */ color: rgb(43, 67, 173);
/* oklch */ color: oklch(43.4% 0.171 268.4);

Tailwind

colors: {
  custom: {
    50: '#7876c6',
    500: '#2b43ad',
    950: '#000000',
  },
}

SCSS

$custom: #2b43ad;
$custom-light: #7876c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43ad",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 228.923,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4337,
    "c": 0.1712,
    "h": 268.4
  },
  "luminance": 0.07545
}

Semantic roles & 50–950 ramp

primary

#2B43AD

secondary

#C4B56F

accent

#C644E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B43AD

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

Preview Lab → · Contrast checker → · Palette generator →