#2733A8#2733A8

#2733A8 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.184 H 270.4°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#2733A8
RGB	rgb(39, 51, 168)
HSL	hsl(234, 62%, 41%)
HSV	hsv(234, 77%, 66%)
CMYK	cmyk(76.8%, 69.6%, 0%, 34.1%)
CIE-LAB	lab(28.45, 37.04, -63.74)
CIE-LCH	lch(28.45, 73.72, 300.16°)
OKLab	oklab(39.83% 0.0013 -0.1845)
OKLCH	oklch(39.83% 0.184 270.4)
XYZ	xyz(9.0860, 5.6252, 37.6451)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A8 #A89C27

analogous

#2773A8 #2733A8 #5C27A8

triadic

#2733A8 #A82733 #33A827

tetradic

#2733A8 #A82773 #A89C27 #27A85C

square

#2733A8 #A82773 #A89C27 #27A85C

split-complementary

#2733A8 #A85C27 #73A827

monochromatic

#101545 #1B2476 #2733A8 #3B49D1 #6C77DD

Accessibility & contrast

On white

9.88

#2733A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2733A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A8

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A8	#FFFFFF	#000000	##FFFFFF
##2733A8	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003DA6

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2733a8;
/* rgb */ color: rgb(39, 51, 168);
/* oklch */ color: oklch(39.8% 0.184 270.4);

Tailwind

colors: {
  custom: {
    50: '#776bc3',
    500: '#2733a8',
    950: '#000000',
  },
}

SCSS

$custom: #2733a8;
$custom-light: #776bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a8",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 168
  },
  "hsl": {
    "h": 234.419,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39829,
    "c": 0.18449,
    "h": 270.4
  },
  "luminance": 0.05626
}

Semantic roles & 50–950 ramp

primary

#2733A8

secondary

#C3BB67

accent

#D642E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2733A8

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

Preview Lab → · Contrast checker → · Palette generator →