#2A33A4#2A33A4

#2A33A4 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.179 H 271.6°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A4
RGB	rgb(42, 51, 164)
HSL	hsl(236, 59%, 40%)
HSV	hsv(236, 74%, 64%)
CMYK	cmyk(74.4%, 68.9%, 0%, 35.7%)
CIE-LAB	lab(28.22, 35.91, -61.69)
CIE-LCH	lch(28.22, 71.39, 300.21°)
OKLab	oklab(39.59% 0.0049 -0.1785)
OKLCH	oklch(39.59% 0.179 271.6)
XYZ	xyz(8.8372, 5.5393, 35.7182)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A4 #A49B2A

analogous

#2A70A4 #2A33A4 #5E2AA4

triadic

#2A33A4 #A42A33 #33A42A

tetradic

#2A33A4 #A42A70 #A49B2A #2AA45E

square

#2A33A4 #A42A70 #A49B2A #2AA45E

split-complementary

#2A33A4 #A45E2A #70A42A

monochromatic

#111543 #1E2473 #2A33A4 #3E48CD #6E76DA

Accessibility & contrast

On white

9.96

#2A33A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A33A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A4	#FFFFFF	#000000	##FFFFFF
##2A33A4	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#003DA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a33a4;
/* rgb */ color: rgb(42, 51, 164);
/* oklch */ color: oklch(39.6% 0.179 271.6);

Tailwind

colors: {
  custom: {
    50: '#776bc0',
    500: '#2a33a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a4;
$custom-light: #776bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a4",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 164
  },
  "hsl": {
    "h": 235.574,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3959,
    "c": 0.17853,
    "h": 271.6
  },
  "luminance": 0.0554
}

Semantic roles & 50–950 ramp

primary

#2A33A4

secondary

#C1BA69

accent

#D745E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A33A4

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

Preview Lab → · Contrast checker → · Palette generator →