#2A43B3#2A43B3

#2A43B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.179 H 268.1°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2A43B3
RGB	rgb(42, 67, 179)
HSL	hsl(229, 62%, 43%)
HSV	hsv(229, 77%, 70%)
CMYK	cmyk(76.5%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.48, 31.10, -62.05)
CIE-LCH	lch(33.48, 69.41, 296.62°)
OKLab	oklab(43.86% -0.0058 -0.1794)
OKLCH	oklch(43.86% 0.179 268.1)
XYZ	xyz(11.0959, 7.7600, 43.5521)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43B3 #B39A2A

analogous

#2A87B3 #2A43B3 #552AB3

triadic

#2A43B3 #B32A43 #43B32A

tetradic

#2A43B3 #B32A87 #B39A2A #2AB355

square

#2A43B3 #B32A87 #B39A2A #2AB355

split-complementary

#2A43B3 #B3552A #87B32A

monochromatic

#131E50 #1E3081 #2A43B3 #4660D4 #788BDF

Accessibility & contrast

On white

8.23

#2A43B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2A43B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43B3

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43B3	#FFFFFF	#000000	##FFFFFF
##2A43B3	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a43b3;
/* rgb */ color: rgb(42, 67, 179);
/* oklch */ color: oklch(43.9% 0.179 268.1);

Tailwind

colors: {
  custom: {
    50: '#7977cb',
    500: '#2a43b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a43b3;
$custom-light: #7977cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43b3",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 229.051,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43859,
    "c": 0.17949,
    "h": 268.1
  },
  "luminance": 0.07761
}

Semantic roles & 50–950 ramp

primary

#2A43B3

secondary

#C7B872

accent

#C743E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A43B3

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

Preview Lab → · Contrast checker → · Palette generator →