#2A42A5#2A42A5

#2A42A5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.162 H 268.2°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A42A5
RGB	rgb(42, 66, 165)
HSL	hsl(228, 59%, 41%)
HSV	hsv(228, 75%, 65%)
CMYK	cmyk(74.5%, 60%, 0%, 35.3%)
CIE-LAB	lab(32.04, 26.51, -56.04)
CIE-LCH	lch(32.04, 61.99, 295.32°)
OKLab	oklab(42.43% -0.0051 -0.1618)
OKLCH	oklch(42.43% 0.162 268.2)
XYZ	xyz(9.6922, 7.1043, 36.4505)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42A5 #A58D2A

analogous

#2A7FA5 #2A42A5 #502AA5

triadic

#2A42A5 #A52A42 #42A52A

tetradic

#2A42A5 #A52A7F #A58D2A #2AA550

square

#2A42A5 #A52A7F #A58D2A #2AA550

split-complementary

#2A42A5 #A5502A #7FA52A

monochromatic

#111B43 #1E2E74 #2A42A5 #3E5ACE #6F84DA

Accessibility & contrast

On white

8.67

#2A42A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2A42A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42A5

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42A5	#FFFFFF	#000000	##FFFFFF
##2A42A5	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a42a5;
/* rgb */ color: rgb(42, 66, 165);
/* oklch */ color: oklch(42.4% 0.162 268.2);

Tailwind

colors: {
  custom: {
    50: '#7676c1',
    500: '#2a42a5',
    950: '#000000',
  },
}

SCSS

$custom: #2a42a5;
$custom-light: #7676c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42a5",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 165
  },
  "hsl": {
    "h": 228.293,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42429,
    "c": 0.16184,
    "h": 268.2
  },
  "luminance": 0.07105
}

Semantic roles & 50–950 ramp

primary

#2A42A5

secondary

#C1B069

accent

#C445E3

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A42A5

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

Preview Lab → · Contrast checker → · Palette generator →