#2A33A8#2A33A8

#2A33A8 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.184 H 271.4°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A8
RGB	rgb(42, 51, 168)
HSL	hsl(236, 60%, 41%)
HSV	hsv(236, 75%, 66%)
CMYK	cmyk(75%, 69.6%, 0%, 34.1%)
CIE-LAB	lab(28.61, 37.34, -63.47)
CIE-LCH	lch(28.61, 73.64, 300.47°)
OKLab	oklab(39.99% 0.0045 -0.1836)
OKLCH	oklch(39.99% 0.184 271.4)
XYZ	xyz(9.2042, 5.6861, 37.6506)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A8 #A89F2A

analogous

#2A72A8 #2A33A8 #602AA8

triadic

#2A33A8 #A82A33 #33A82A

tetradic

#2A33A8 #A82A72 #A89F2A #2AA860

square

#2A33A8 #A82A72 #A89F2A #2AA860

split-complementary

#2A33A8 #A8602A #72A82A

monochromatic

#121546 #1E2477 #2A33A8 #404ACF #7179DB

Accessibility & contrast

On white

9.83

#2A33A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A33A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A8

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A8	#FFFFFF	#000000	##FFFFFF
##2A33A8	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003DA6

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a33a8;
/* rgb */ color: rgb(42, 51, 168);
/* oklch */ color: oklch(40.0% 0.184 271.4);

Tailwind

colors: {
  custom: {
    50: '#786bc3',
    500: '#2a33a8',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a8;
$custom-light: #786bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a8",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 168
  },
  "hsl": {
    "h": 235.714,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39988,
    "c": 0.18369,
    "h": 271.4
  },
  "luminance": 0.05687
}

Semantic roles & 50–950 ramp

primary

#2A33A8

secondary

#C3BC6B

accent

#D845E3

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A33A8

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

Preview Lab → · Contrast checker → · Palette generator →