#2A43A3#2A43A3

#2A43A3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.158 H 267.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2A43A3
RGB	rgb(42, 67, 163)
HSL	hsl(228, 59%, 40%)
HSV	hsv(228, 74%, 64%)
CMYK	cmyk(74.2%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(32.15, 25.09, -54.67)
CIE-LCH	lch(32.15, 60.15, 294.65°)
OKLab	oklab(42.45% -0.0059 -0.1577)
OKLCH	oklch(42.45% 0.158 267.9)
XYZ	xyz(9.5706, 7.1499, 35.5189)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43A3 #A38A2A

analogous

#2A80A3 #2A43A3 #4D2AA3

triadic

#2A43A3 #A32A43 #43A32A

tetradic

#2A43A3 #A32A80 #A38A2A #2AA34D

square

#2A43A3 #A32A80 #A38A2A #2AA34D

split-complementary

#2A43A3 #A34D2A #80A32A

monochromatic

#111B42 #1D2F72 #2A43A3 #3D5BCD #6E84DA

Accessibility & contrast

On white

8.64

#2A43A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2A43A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43A3

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43A3	#FFFFFF	#000000	##FFFFFF
##2A43A3	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	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: #2a43a3;
/* rgb */ color: rgb(42, 67, 163);
/* oklch */ color: oklch(42.5% 0.158 267.9);

Tailwind

colors: {
  custom: {
    50: '#7576bf',
    500: '#2a43a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a43a3;
$custom-light: #7576bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43a3",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 227.603,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42454,
    "c": 0.15784,
    "h": 267.9
  },
  "luminance": 0.07151
}

Semantic roles & 50–950 ramp

primary

#2A43A3

secondary

#C0AE68

accent

#C246E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A43A3

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

Preview Lab → · Contrast checker → · Palette generator →