#2733A3#2733A3

#2733A3 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.178 H 270.6°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2733A3
RGB	rgb(39, 51, 163)
HSL	hsl(234, 61%, 40%)
HSV	hsv(234, 76%, 64%)
CMYK	cmyk(76.1%, 68.7%, 0%, 36.1%)
CIE-LAB	lab(27.96, 35.24, -61.52)
CIE-LCH	lch(27.96, 70.90, 299.80°)
OKLab	oklab(39.33% 0.0018 -0.178)
OKLCH	oklch(39.33% 0.178 270.6)
XYZ	xyz(8.6291, 5.4424, 35.2389)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A3 #A39727

analogous

#2771A3 #2733A3 #5927A3

triadic

#2733A3 #A32733 #33A327

tetradic

#2733A3 #A32771 #A39727 #27A359

square

#2733A3 #A32771 #A39727 #27A359

split-complementary

#2733A3 #A35927 #71A327

monochromatic

#0F1440 #1B2472 #2733A3 #3847CF #6974DB

Accessibility & contrast

On white

10.05

#2733A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2733A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A3

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A3	#FFFFFF	#000000	##FFFFFF
##2733A3	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003CA1

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2733a3;
/* rgb */ color: rgb(39, 51, 163);
/* oklch */ color: oklch(39.3% 0.178 270.6);

Tailwind

colors: {
  custom: {
    50: '#756bbf',
    500: '#2733a3',
    950: '#000000',
  },
}

SCSS

$custom: #2733a3;
$custom-light: #756bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a3",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 163
  },
  "hsl": {
    "h": 234.194,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39329,
    "c": 0.17803,
    "h": 270.6
  },
  "luminance": 0.05443
}

Semantic roles & 50–950 ramp

primary

#2733A3

secondary

#C1B864

accent

#D543E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2733A3

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

Preview Lab → · Contrast checker → · Palette generator →