#2C33AB#2C33AB

#2C33AB is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.4% C 0.187 H 271.9°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#2C33AB
RGB	rgb(44, 51, 171)
HSL	hsl(237, 59%, 42%)
HSV	hsv(237, 74%, 67%)
CMYK	cmyk(74.3%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(29.01, 38.60, -64.60)
CIE-LCH	lch(29.01, 75.26, 300.86°)
OKLab	oklab(40.4% 0.0063 -0.1869)
OKLCH	oklch(40.4% 0.187 271.9)
XYZ	xyz(9.5707, 5.8424, 39.1435)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C33AB #ABA42C

analogous

#2C73AB #2C33AB #652CAB

triadic

#2C33AB #AB2C33 #33AB2C

tetradic

#2C33AB #AB2C73 #ABA42C #2CAB65

square

#2C33AB #AB2C73 #ABA42C #2CAB65

split-complementary

#2C33AB #AB652C #73AB2C

monochromatic

#13164A #1F247A #2C33AB #454DCF #767BDC

Accessibility & contrast

On white

9.68

#2C33AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2C33AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C33AB

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C33AB	#FFFFFF	#000000	##FFFFFF
##2C33AB	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c33ab;
/* rgb */ color: rgb(44, 51, 171);
/* oklch */ color: oklch(40.4% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#796bc5',
    500: '#2c33ab',
    950: '#000000',
  },
}

SCSS

$custom: #2c33ab;
$custom-light: #796bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c33ab",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 236.693,
    "s": 59.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.18702,
    "h": 271.9
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary

#2C33AB

secondary

#C3BF6F

accent

#DA46E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2C33AB

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

Preview Lab → · Contrast checker → · Palette generator →