#2C33A9#2C33A9

#2C33A9 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.2% C 0.184 H 272.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2C33A9
RGB	rgb(44, 51, 169)
HSL	hsl(237, 59%, 42%)
HSV	hsv(237, 74%, 66%)
CMYK	cmyk(74%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(28.82, 37.90, -63.72)
CIE-LCH	lch(28.82, 74.14, 300.74°)
OKLab	oklab(40.2% 0.0065 -0.1843)
OKLCH	oklch(40.2% 0.184 272)
XYZ	xyz(9.3815, 5.7667, 38.1471)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.77

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C33A9 #A9A22C

analogous

#2C72A9 #2C33A9 #642CA9

triadic

#2C33A9 #A92C33 #33A92C

tetradic

#2C33A9 #A92C72 #A9A22C #2CA964

square

#2C33A9 #A92C72 #A9A22C #2CA964

split-complementary

#2C33A9 #A9642C #72A92C

monochromatic

#131648 #1F2478 #2C33A9 #444CCE #747ADB

Accessibility & contrast

On white

9.75

#2C33A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2C33A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C33A9

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C33A9	#FFFFFF	#000000	##FFFFFF
##2C33A9	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c33a9;
/* rgb */ color: rgb(44, 51, 169);
/* oklch */ color: oklch(40.2% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#796bc4',
    500: '#2c33a9',
    950: '#000000',
  },
}

SCSS

$custom: #2c33a9;
$custom-light: #796bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2c33a9",
  "rgb": {
    "r": 44,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 236.64,
    "s": 58.685,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40199,
    "c": 0.18446,
    "h": 272
  },
  "luminance": 0.05768
}

Semantic roles & 50–950 ramp

primary

#2C33A9

secondary

#C3BE6E

accent

#D946E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2C33A9

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

Preview Lab → · Contrast checker → · Palette generator →