#2A42B0#2A42B0

#2A42B0 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.177 H 268.3°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A42B0
RGB	rgb(42, 66, 176)
HSL	hsl(229, 61%, 43%)
HSV	hsv(229, 76%, 69%)
CMYK	cmyk(76.1%, 62.5%, 0%, 31%)
CIE-LAB	lab(32.97, 30.64, -61.11)
CIE-LCH	lch(32.97, 68.36, 296.63°)
OKLab	oklab(43.4% -0.0051 -0.1766)
OKLCH	oklch(43.4% 0.177 268.3)
XYZ	xyz(10.7368, 7.5221, 41.9519)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42B0 #B0982A

analogous

#2A85B0 #2A42B0 #552AB0

triadic

#2A42B0 #B02A42 #42B02A

tetradic

#2A42B0 #B02A85 #B0982A #2AB055

square

#2A42B0 #B02A85 #B0982A #2AB055

split-complementary

#2A42B0 #B0552A #85B02A

monochromatic

#121D4D #1E2F7F #2A42B0 #455ED3 #7689DE

Accessibility & contrast

On white

8.38

#2A42B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2A42B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42B0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42B0	#FFFFFF	#000000	##FFFFFF
##2A42B0	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#0047AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2a42b0;
/* rgb */ color: rgb(42, 66, 176);
/* oklch */ color: oklch(43.4% 0.177 268.3);

Tailwind

colors: {
  custom: {
    50: '#7876c9',
    500: '#2a42b0',
    950: '#000000',
  },
}

SCSS

$custom: #2a42b0;
$custom-light: #7876c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42b0",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 176
  },
  "hsl": {
    "h": 229.254,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43401,
    "c": 0.17671,
    "h": 268.3
  },
  "luminance": 0.07523
}

Semantic roles & 50–950 ramp

primary

#2A42B0

secondary

#C6B770

accent

#C843E5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A42B0

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

Preview Lab → · Contrast checker → · Palette generator →