#2A42B7#2A42B7

#2A42B7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.186 H 268.4°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A42B7
RGB	rgb(42, 66, 183)
HSL	hsl(230, 63%, 44%)
HSV	hsv(230, 77%, 72%)
CMYK	cmyk(77%, 63.9%, 0%, 28.2%)
CIE-LAB	lab(33.58, 33.23, -64.26)
CIE-LCH	lch(33.58, 72.34, 297.34°)
OKLab	oklab(44.04% -0.0053 -0.1859)
OKLCH	oklch(44.04% 0.186 268.4)
XYZ	xyz(11.4473, 7.8063, 45.6940)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42B7 #B79F2A

analogous

#2A89B7 #2A42B7 #592AB7

triadic

#2A42B7 #B72A42 #42B72A

tetradic

#2A42B7 #B72A89 #B79F2A #2AB759

square

#2A42B7 #B72A89 #B79F2A #2AB759

split-complementary

#2A42B7 #B7592A #89B72A

monochromatic

#131E53 #1F3085 #2A42B7 #4961D5 #7B8CE1

Accessibility & contrast

On white

8.20

#2A42B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2A42B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42B7

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42B7	#FFFFFF	#000000	##FFFFFF
##2A42B7	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#0048B5

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a42b7;
/* rgb */ color: rgb(42, 66, 183);
/* oklch */ color: oklch(44.0% 0.186 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a76ce',
    500: '#2a42b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a42b7;
$custom-light: #7a76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42b7",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 183
  },
  "hsl": {
    "h": 229.787,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44039,
    "c": 0.18596,
    "h": 268.4
  },
  "luminance": 0.07808
}

Semantic roles & 50–950 ramp

primary

#2A42B7

secondary

#C9BA74

accent

#CA42E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A42B7

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

Preview Lab → · Contrast checker → · Palette generator →