#2B43AA#2B43AA

#2B43AA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.167 H 268.3°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B43AA
RGB	rgb(43, 67, 170)
HSL	hsl(229, 60%, 42%)
HSV	hsv(229, 75%, 67%)
CMYK	cmyk(74.7%, 60.6%, 0%, 33.3%)
CIE-LAB	lab(32.76, 27.85, -57.86)
CIE-LCH	lch(32.76, 64.21, 295.71°)
OKLab	oklab(43.11% -0.0048 -0.1671)
OKLCH	oklch(43.11% 0.167 268.3)
XYZ	xyz(10.2566, 7.4291, 38.9158)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43AA #AA922B

analogous

#2B83AA #2B43AA #522BAA

triadic

#2B43AA #AA2B43 #43AA2B

tetradic

#2B43AA #AA2B83 #AA922B #2BAA52

square

#2B43AA #AA2B83 #AA922B #2BAA52

split-complementary

#2B43AA #AA522B #83AA2B

monochromatic

#121C48 #1F3079 #2B43AA #435DCF #7487DC

Accessibility & contrast

On white

8.45

#2B43AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B43AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43AA

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43AA	#FFFFFF	#000000	##FFFFFF
##2B43AA	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b43aa;
/* rgb */ color: rgb(43, 67, 170);
/* oklch */ color: oklch(43.1% 0.167 268.3);

Tailwind

colors: {
  custom: {
    50: '#7776c4',
    500: '#2b43aa',
    950: '#000000',
  },
}

SCSS

$custom: #2b43aa;
$custom-light: #7776c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43aa",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 170
  },
  "hsl": {
    "h": 228.661,
    "s": 59.624,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43107,
    "c": 0.16714,
    "h": 268.3
  },
  "luminance": 0.0743
}

Semantic roles & 50–950 ramp

primary

#2B43AA

secondary

#C3B36E

accent

#C545E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B43AA

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

Preview Lab → · Contrast checker → · Palette generator →