#2A42BC#2A42BC

#2A42BC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.192 H 268.4°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#2A42BC
RGB	rgb(42, 66, 188)
HSL	hsl(230, 63%, 45%)
HSV	hsv(230, 78%, 74%)
CMYK	cmyk(77.7%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(34.02, 35.07, -66.48)
CIE-LCH	lch(34.02, 75.16, 297.81°)
OKLab	oklab(44.5% -0.0055 -0.1924)
OKLCH	oklch(44.5% 0.192 268.4)
XYZ	xyz(11.9770, 8.0182, 48.4836)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42BC #BCA42A

analogous

#2A8BBC #2A42BC #5B2ABC

triadic

#2A42BC #BC2A42 #42BC2A

tetradic

#2A42BC #BC2A8B #BCA42A #2ABC5B

square

#2A42BC #BC2A8B #BCA42A #2ABC5B

split-complementary

#2A42BC #BC5B2A #8BBC2A

monochromatic

#141F58 #1F308A #2A42BC #4C63D7 #7E8FE2

Accessibility & contrast

On white

8.06

#2A42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2A42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42BC

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42BC	#FFFFFF	#000000	##FFFFFF
##2A42BC	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2a42bc;
/* rgb */ color: rgb(42, 66, 188);
/* oklch */ color: oklch(44.5% 0.192 268.4);

Tailwind

colors: {
  custom: {
    50: '#7b76d1',
    500: '#2a42bc',
    950: '#000000',
  },
}

SCSS

$custom: #2a42bc;
$custom-light: #7b76d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42bc",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 230.137,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44502,
    "c": 0.19246,
    "h": 268.4
  },
  "luminance": 0.0802
}

Semantic roles & 50–950 ramp

primary

#2A42BC

secondary

#CBBD77

accent

#CB41E7

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2A42BC

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

Preview Lab → · Contrast checker → · Palette generator →