#2733A9#2733A9

#2733A9 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.186 H 270.4°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2733A9
RGB	rgb(39, 51, 169)
HSL	hsl(234, 63%, 41%)
HSV	hsv(234, 77%, 66%)
CMYK	cmyk(76.9%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(28.54, 37.40, -64.18)
CIE-LCH	lch(28.54, 74.28, 300.23°)
OKLab	oklab(39.93% 0.0012 -0.1858)
OKLCH	oklch(39.93% 0.186 270.4)
XYZ	xyz(9.1795, 5.6626, 38.1376)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A9 #A99D27

analogous

#2774A9 #2733A9 #5C27A9

triadic

#2733A9 #A92733 #33A927

tetradic

#2733A9 #A92774 #A99D27 #27A95C

square

#2733A9 #A92774 #A99D27 #27A95C

split-complementary

#2733A9 #A95C27 #74A927

monochromatic

#101546 #1C2477 #2733A9 #3B49D2 #6D77DD

Accessibility & contrast

On white

9.85

#2733A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2733A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A9

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A9	#FFFFFF	#000000	##FFFFFF
##2733A9	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAD

Deuteranopia (green-blind)

#003DA7

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2733a9;
/* rgb */ color: rgb(39, 51, 169);
/* oklch */ color: oklch(39.9% 0.186 270.4);

Tailwind

colors: {
  custom: {
    50: '#776bc4',
    500: '#2733a9',
    950: '#000000',
  },
}

SCSS

$custom: #2733a9;
$custom-light: #776bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a9",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 234.462,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.3993,
    "c": 0.18578,
    "h": 270.4
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#2733A9

secondary

#C4BB68

accent

#D642E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2733A9

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

Preview Lab → · Contrast checker → · Palette generator →