#2733AA#2733AA

#2733AA is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.187 H 270.3°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2733AA
RGB	rgb(39, 51, 170)
HSL	hsl(235, 63%, 41%)
HSV	hsv(235, 77%, 67%)
CMYK	cmyk(77.1%, 70%, 0%, 33.3%)
CIE-LAB	lab(28.64, 37.76, -64.62)
CIE-LCH	lch(28.64, 74.84, 300.30°)
OKLab	oklab(40.03% 0.0011 -0.1871)
OKLCH	oklch(40.03% 0.187 270.3)
XYZ	xyz(9.2737, 5.7003, 38.6339)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733AA #AA9E27

analogous

#2774AA #2733AA #5C27AA

triadic

#2733AA #AA2733 #33AA27

tetradic

#2733AA #AA2774 #AA9E27 #27AA5C

square

#2733AA #AA2774 #AA9E27 #27AA5C

split-complementary

#2733AA #AA5C27 #74AA27

monochromatic

#101546 #1C2478 #2733AA #3C4AD2 #6E78DE

Accessibility & contrast

On white

9.81

#2733AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2733AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733AA

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733AA	#FFFFFF	#000000	##FFFFFF
##2733AA	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#003DA8

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2733aa;
/* rgb */ color: rgb(39, 51, 170);
/* oklch */ color: oklch(40.0% 0.187 270.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#2733aa",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 234.504,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40031,
    "c": 0.18706,
    "h": 270.3
  },
  "luminance": 0.05701
}

Semantic roles & 50–950 ramp

primary

#2733AA

secondary

#C4BC69

accent

#D742E6

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2733AA

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

Preview Lab → · Contrast checker → · Palette generator →