#2D33A9#2D33A9

#2D33A9 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.184 H 272.4°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A9
RGB	rgb(45, 51, 169)
HSL	hsl(237, 58%, 42%)
HSV	hsv(237, 73%, 66%)
CMYK	cmyk(73.4%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(28.87, 38.01, -63.63)
CIE-LCH	lch(28.87, 74.11, 300.85°)
OKLab	oklab(40.26% 0.0077 -0.184)
OKLCH	oklch(40.26% 0.184 272.4)
XYZ	xyz(9.4250, 5.7892, 38.1491)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A9 #A9A32D

analogous

#2D71A9 #2D33A9 #652DA9

triadic

#2D33A9 #A92D33 #33A92D

tetradic

#2D33A9 #A92D71 #A9A32D #2DA965

square

#2D33A9 #A92D71 #A9A32D #2DA965

split-complementary

#2D33A9 #A9652D #71A92D

monochromatic

#131648 #202479 #2D33A9 #464CCE #767BDA

Accessibility & contrast

On white

9.73

#2D33A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2D33A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A9

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A9	#FFFFFF	#000000	##FFFFFF
##2D33A9	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	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: #2d33a9;
/* rgb */ color: rgb(45, 51, 169);
/* oklch */ color: oklch(40.3% 0.184 272.4);

Tailwind

colors: {
  custom: {
    50: '#796bc4',
    500: '#2d33a9',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a9;
$custom-light: #796bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a9",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 237.097,
    "s": 57.944,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40257,
    "c": 0.18419,
    "h": 272.4
  },
  "luminance": 0.0579
}

Semantic roles & 50–950 ramp

primary

#2D33A9

secondary

#C2BE6F

accent

#DA47E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D33A9

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

Preview Lab → · Contrast checker → · Palette generator →