#2733A4#2733A4

#2733A4 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.179 H 270.5°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2733A4
RGB	rgb(39, 51, 164)
HSL	hsl(234, 62%, 40%)
HSV	hsv(234, 76%, 64%)
CMYK	cmyk(76.2%, 68.9%, 0%, 35.7%)
CIE-LAB	lab(28.06, 35.60, -61.97)
CIE-LCH	lch(28.06, 71.47, 299.88°)
OKLab	oklab(39.43% 0.0017 -0.1793)
OKLCH	oklch(39.43% 0.179 270.5)
XYZ	xyz(8.7191, 5.4784, 35.7127)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A4 #A49827

analogous

#2772A4 #2733A4 #5A27A4

triadic

#2733A4 #A42733 #33A427

tetradic

#2733A4 #A42772 #A49827 #27A45A

square

#2733A4 #A42772 #A49827 #27A45A

split-complementary

#2733A4 #A45A27 #72A427

monochromatic

#0F1441 #1B2473 #2733A4 #3847D0 #6A75DC

Accessibility & contrast

On white

10.02

#2733A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2733A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A4

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A4	#FFFFFF	#000000	##FFFFFF
##2733A4	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#003CA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2733a4;
/* rgb */ color: rgb(39, 51, 164);
/* oklch */ color: oklch(39.4% 0.179 270.5);

Tailwind

colors: {
  custom: {
    50: '#766bc0',
    500: '#2733a4',
    950: '#000000',
  },
}

SCSS

$custom: #2733a4;
$custom-light: #766bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a4",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 164
  },
  "hsl": {
    "h": 234.24,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39428,
    "c": 0.17933,
    "h": 270.5
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#2733A4

secondary

#C2B965

accent

#D543E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2733A4

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

Preview Lab → · Contrast checker → · Palette generator →