#2A33A9#2A33A9

#2A33A9 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.185 H 271.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A9
RGB	rgb(42, 51, 169)
HSL	hsl(236, 60%, 41%)
HSV	hsv(236, 75%, 66%)
CMYK	cmyk(75.1%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(28.70, 37.69, -63.91)
CIE-LCH	lch(28.70, 74.20, 300.53°)
OKLab	oklab(40.09% 0.0044 -0.1849)
OKLCH	oklch(40.09% 0.185 271.3)
XYZ	xyz(9.2977, 5.7235, 38.1432)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A9 #A9A02A

analogous

#2A73A9 #2A33A9 #612AA9

triadic

#2A33A9 #A92A33 #33A92A

tetradic

#2A33A9 #A92A73 #A9A02A #2AA961

square

#2A33A9 #A92A73 #A9A02A #2AA961

split-complementary

#2A33A9 #A9612A #73A92A

monochromatic

#121547 #1E2478 #2A33A9 #414BD0 #7279DC

Accessibility & contrast

On white

9.79

#2A33A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A33A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A9

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A9	#FFFFFF	#000000	##FFFFFF
##2A33A9	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a33a9;
/* rgb */ color: rgb(42, 51, 169);
/* oklch */ color: oklch(40.1% 0.185 271.3);

Tailwind

colors: {
  custom: {
    50: '#786bc4',
    500: '#2a33a9',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a9;
$custom-light: #786bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a9",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 235.748,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40088,
    "c": 0.18498,
    "h": 271.3
  },
  "luminance": 0.05724
}

Semantic roles & 50–950 ramp

primary

#2A33A9

secondary

#C3BD6C

accent

#D844E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A33A9

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

Preview Lab → · Contrast checker → · Palette generator →