#2A42A4#2A42A4

#2A42A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.160 H 268.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2A42A4
RGB	rgb(42, 66, 164)
HSL	hsl(228, 59%, 40%)
HSV	hsv(228, 74%, 64%)
CMYK	cmyk(74.4%, 59.8%, 0%, 35.7%)
CIE-LAB	lab(31.96, 26.14, -55.57)
CIE-LCH	lch(31.96, 61.41, 295.19°)
OKLab	oklab(42.34% -0.0051 -0.1604)
OKLCH	oklch(42.34% 0.16 268.2)
XYZ	xyz(9.6016, 7.0680, 35.9730)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42A4 #A48C2A

analogous

#2A7FA4 #2A42A4 #4F2AA4

triadic

#2A42A4 #A42A42 #42A42A

tetradic

#2A42A4 #A42A7F #A48C2A #2AA44F

square

#2A42A4 #A42A7F #A48C2A #2AA44F

split-complementary

#2A42A4 #A44F2A #7FA42A

monochromatic

#111B43 #1E2E73 #2A42A4 #3E5ACD #6E84DA

Accessibility & contrast

On white

8.70

#2A42A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2A42A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42A4

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42A4	#FFFFFF	#000000	##FFFFFF
##2A42A4	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a42a4;
/* rgb */ color: rgb(42, 66, 164);
/* oklch */ color: oklch(42.3% 0.160 268.2);

Tailwind

colors: {
  custom: {
    50: '#7576c0',
    500: '#2a42a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a42a4;
$custom-light: #7576c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42a4",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 164
  },
  "hsl": {
    "h": 228.197,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42342,
    "c": 0.16047,
    "h": 268.2
  },
  "luminance": 0.07069
}

Semantic roles & 50–950 ramp

primary

#2A42A4

secondary

#C1B069

accent

#C445E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A42A4

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

Preview Lab → · Contrast checker → · Palette generator →