#2A33B3#2A33B3

#2A33B3 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.198 H 270.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#2A33B3
RGB	rgb(42, 51, 179)
HSL	hsl(236, 62%, 43%)
HSV	hsv(236, 77%, 70%)
CMYK	cmyk(76.5%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(29.70, 41.20, -68.26)
CIE-LCH	lch(29.70, 79.73, 301.11°)
OKLab	oklab(41.1% 0.0031 -0.1976)
OKLCH	oklch(41.1% 0.198 270.9)
XYZ	xyz(10.2726, 6.1135, 43.2777)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33B3 #B3AA2A

analogous

#2A77B3 #2A33B3 #652AB3

triadic

#2A33B3 #B32A33 #33B32A

tetradic

#2A33B3 #B32A77 #B3AA2A #2AB365

square

#2A33B3 #B32A77 #B3AA2A #2AB365

split-complementary

#2A33B3 #B3652A #77B32A

monochromatic

#131750 #1E2581 #2A33B3 #4650D4 #787FDF

Accessibility & contrast

On white

9.45

#2A33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2A33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33B3

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33B3	#FFFFFF	#000000	##FFFFFF
##2A33B3	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB7

Deuteranopia (green-blind)

#003FB1

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a33b3;
/* rgb */ color: rgb(42, 51, 179);
/* oklch */ color: oklch(41.1% 0.198 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a6bcb',
    500: '#2a33b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a33b3;
$custom-light: #7a6bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33b3",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 236.058,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41102,
    "c": 0.19764,
    "h": 270.9
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary

#2A33B3

secondary

#C7C272

accent

#DA43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A33B3

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

Preview Lab → · Contrast checker → · Palette generator →