#2A42B5#2A42B5

#2A42B5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.183 H 268.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A42B5
RGB	rgb(42, 66, 181)
HSL	hsl(230, 62%, 44%)
HSV	hsv(230, 77%, 71%)
CMYK	cmyk(76.8%, 63.5%, 0%, 29%)
CIE-LAB	lab(33.40, 32.49, -63.37)
CIE-LCH	lch(33.40, 71.21, 297.15°)
OKLab	oklab(43.86% -0.0052 -0.1832)
OKLCH	oklch(43.86% 0.183 268.4)
XYZ	xyz(11.2407, 7.7236, 44.6055)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42B5 #B59D2A

analogous

#2A87B5 #2A42B5 #572AB5

triadic

#2A42B5 #B52A42 #42B52A

tetradic

#2A42B5 #B52A87 #B59D2A #2AB557

square

#2A42B5 #B52A87 #B59D2A #2AB557

split-complementary

#2A42B5 #B5572A #87B52A

monochromatic

#131E52 #1E3083 #2A42B5 #4860D4 #798BE0

Accessibility & contrast

On white

8.25

#2A42B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2A42B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42B5

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42B5	#FFFFFF	#000000	##FFFFFF
##2A42B5	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a42b5;
/* rgb */ color: rgb(42, 66, 181);
/* oklch */ color: oklch(43.9% 0.183 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a76cc',
    500: '#2a42b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a42b5;
$custom-light: #7a76cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42b5",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 181
  },
  "hsl": {
    "h": 229.64,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43855,
    "c": 0.18333,
    "h": 268.4
  },
  "luminance": 0.07725
}

Semantic roles & 50–950 ramp

primary

#2A42B5

secondary

#C8B973

accent

#C942E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A42B5

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

Preview Lab → · Contrast checker → · Palette generator →