#2A36A4#2A36A4

#2A36A4 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.175 H 271.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A36A4
RGB	rgb(42, 54, 164)
HSL	hsl(234, 59%, 40%)
HSV	hsv(234, 74%, 64%)
CMYK	cmyk(74.4%, 67.1%, 0%, 35.7%)
CIE-LAB	lab(28.93, 34.01, -60.53)
CIE-LCH	lch(28.93, 69.43, 299.33°)
OKLab	oklab(40.11% 0.0031 -0.175)
OKLCH	oklch(40.11% 0.175 271)
XYZ	xyz(8.9726, 5.8100, 35.7633)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A36A4 #A4982A

analogous

#2A73A4 #2A36A4 #5B2AA4

triadic

#2A36A4 #A42A36 #36A42A

tetradic

#2A36A4 #A42A73 #A4982A #2AA45B

square

#2A36A4 #A42A73 #A4982A #2AA45B

split-complementary

#2A36A4 #A45B2A #73A42A

monochromatic

#111643 #1E2673 #2A36A4 #3E4CCD #6E79DA

Accessibility & contrast

On white

9.71

#2A36A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A36A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A36A4

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A36A4	#FFFFFF	#000000	##FFFFFF
##2A36A4	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a36a4;
/* rgb */ color: rgb(42, 54, 164);
/* oklch */ color: oklch(40.1% 0.175 271.0);

Tailwind

colors: {
  custom: {
    50: '#766dc0',
    500: '#2a36a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a36a4;
$custom-light: #766dc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a36a4",
  "rgb": {
    "r": 42,
    "g": 54,
    "b": 164
  },
  "hsl": {
    "h": 234.098,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40105,
    "c": 0.17507,
    "h": 271
  },
  "luminance": 0.05811
}

Semantic roles & 50–950 ramp

primary

#2A36A4

secondary

#C1B869

accent

#D345E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A36A4

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

Preview Lab → · Contrast checker → · Palette generator →