#2A42A6#2A42A6

#2A42A6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.163 H 268.2°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#2A42A6
RGB	rgb(42, 66, 166)
HSL	hsl(228, 60%, 41%)
HSV	hsv(228, 75%, 65%)
CMYK	cmyk(74.7%, 60.2%, 0%, 34.9%)
CIE-LAB	lab(32.13, 26.89, -56.50)
CIE-LCH	lch(32.13, 62.58, 295.45°)
OKLab	oklab(42.52% -0.0051 -0.1631)
OKLCH	oklch(42.52% 0.163 268.2)
XYZ	xyz(9.7836, 7.1408, 36.9317)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42A6 #A68E2A

analogous

#2A80A6 #2A42A6 #502AA6

triadic

#2A42A6 #A62A42 #42A62A

tetradic

#2A42A6 #A62A80 #A68E2A #2AA650

square

#2A42A6 #A62A80 #A68E2A #2AA650

split-complementary

#2A42A6 #A6502A #80A62A

monochromatic

#111B44 #1E2F75 #2A42A6 #3F5BCE #7084DB

Accessibility & contrast

On white

8.65

#2A42A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2A42A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42A6

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42A6	#FFFFFF	#000000	##FFFFFF
##2A42A6	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A9

Deuteranopia (green-blind)

#0046A4

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a42a6;
/* rgb */ color: rgb(42, 66, 166);
/* oklch */ color: oklch(42.5% 0.163 268.2);

Tailwind

colors: {
  custom: {
    50: '#7676c1',
    500: '#2a42a6',
    950: '#000000',
  },
}

SCSS

$custom: #2a42a6;
$custom-light: #7676c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42a6",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 166
  },
  "hsl": {
    "h": 228.387,
    "s": 59.615,
    "l": 40.784
  },
  "oklch": {
    "l": 0.42516,
    "c": 0.16321,
    "h": 268.2
  },
  "luminance": 0.07142
}

Semantic roles & 50–950 ramp

primary

#2A42A6

secondary

#C2B16A

accent

#C445E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A42A6

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

Preview Lab → · Contrast checker → · Palette generator →