#2A42B6#2A42B6

#2A42B6 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.185 H 268.4°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#2A42B6
RGB	rgb(42, 66, 182)
HSL	hsl(230, 63%, 44%)
HSV	hsv(230, 77%, 71%)
CMYK	cmyk(76.9%, 63.7%, 0%, 28.6%)
CIE-LAB	lab(33.49, 32.86, -63.81)
CIE-LCH	lch(33.49, 71.78, 297.25°)
OKLab	oklab(43.95% -0.0053 -0.1846)
OKLCH	oklch(43.95% 0.185 268.4)
XYZ	xyz(11.3436, 7.7648, 45.1478)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42B6 #B69E2A

analogous

#2A88B6 #2A42B6 #582AB6

triadic

#2A42B6 #B62A42 #42B62A

tetradic

#2A42B6 #B62A88 #B69E2A #2AB658

square

#2A42B6 #B62A88 #B69E2A #2AB658

split-complementary

#2A42B6 #B6582A #88B62A

monochromatic

#131E53 #1F3084 #2A42B6 #4860D5 #7A8CE0

Accessibility & contrast

On white

8.22

#2A42B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2A42B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42B6

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42B6	#FFFFFF	#000000	##FFFFFF
##2A42B6	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2a42b6;
/* rgb */ color: rgb(42, 66, 182);
/* oklch */ color: oklch(43.9% 0.185 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a76cd',
    500: '#2a42b6',
    950: '#000000',
  },
}

SCSS

$custom: #2a42b6;
$custom-light: #7a76cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42b6",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 182
  },
  "hsl": {
    "h": 229.714,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.18465,
    "h": 268.4
  },
  "luminance": 0.07766
}

Semantic roles & 50–950 ramp

primary

#2A42B6

secondary

#C8BA73

accent

#CA42E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2A42B6

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

Preview Lab → · Contrast checker → · Palette generator →