#2B33AC#2B33AC

#2B33AC is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.4% C 0.189 H 271.5°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B33AC
RGB	rgb(43, 51, 172)
HSL	hsl(236, 60%, 42%)
HSV	hsv(236, 75%, 67%)
CMYK	cmyk(75%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(29.05, 38.85, -65.14)
CIE-LCH	lch(29.05, 75.84, 300.81°)
OKLab	oklab(40.44% 0.0051 -0.1885)
OKLCH	oklch(40.44% 0.189 271.5)
XYZ	xyz(9.6240, 5.8588, 39.6454)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B33AC #ACA42B

analogous

#2B74AC #2B33AC #642BAC

triadic

#2B33AC #AC2B33 #33AC2B

tetradic

#2B33AC #AC2B74 #ACA42B #2BAC64

square

#2B33AC #AC2B74 #ACA42B #2BAC64

split-complementary

#2B33AC #AC642B #74AC2B

monochromatic

#13164A #1F247B #2B33AC #444DD0 #757BDC

Accessibility & contrast

On white

9.67

#2B33AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B33AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B33AC

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B33AC	#FFFFFF	#000000	##FFFFFF
##2B33AC	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b33ac;
/* rgb */ color: rgb(43, 51, 172);
/* oklch */ color: oklch(40.4% 0.189 271.5);

Tailwind

colors: {
  custom: {
    50: '#796bc6',
    500: '#2b33ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b33ac;
$custom-light: #796bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b33ac",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 236.279,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40444,
    "c": 0.18855,
    "h": 271.5
  },
  "luminance": 0.0586
}

Semantic roles & 50–950 ramp

primary

#2B33AC

secondary

#C4BF6F

accent

#D945E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B33AC

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

Preview Lab → · Contrast checker → · Palette generator →