#2B33B2#2B33B2

#2B33B2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.196 H 271.3°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#2B33B2
RGB	rgb(43, 51, 178)
HSL	hsl(236, 61%, 43%)
HSV	hsv(236, 76%, 70%)
CMYK	cmyk(75.8%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(29.65, 40.94, -67.74)
CIE-LCH	lch(29.65, 79.15, 301.15°)
OKLab	oklab(41.05% 0.0043 -0.1961)
OKLCH	oklch(41.05% 0.196 271.3)
XYZ	xyz(10.2132, 6.0945, 42.7489)
Luminance	0.0610 (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

#2B33B2 #B2AA2B

analogous

#2B77B2 #2B33B2 #662BB2

triadic

#2B33B2 #B22B33 #33B22B

tetradic

#2B33B2 #B22B77 #B2AA2B #2BB266

square

#2B33B2 #B22B77 #B2AA2B #2BB266

split-complementary

#2B33B2 #B2662B #77B22B

monochromatic

#13174F #1F2581 #2B33B2 #4850D3 #797FDF

Accessibility & contrast

On white

9.46

#2B33B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B33B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33B2

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B33B2	#FFFFFF	#000000	##FFFFFF
##2B33B2	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB6

Deuteranopia (green-blind)

#003FB0

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b33b2;
/* rgb */ color: rgb(43, 51, 178);
/* oklch */ color: oklch(41.1% 0.196 271.3);

Tailwind

colors: {
  custom: {
    50: '#7a6bca',
    500: '#2b33b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b33b2;
$custom-light: #7a6bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b33b2",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 236.444,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41052,
    "c": 0.19613,
    "h": 271.3
  },
  "luminance": 0.06096
}

Semantic roles & 50–950 ramp

primary

#2B33B2

secondary

#C7C272

accent

#DB44E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B33B2

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

Preview Lab → · Contrast checker → · Palette generator →