#2733AD#2733AD

#2733AD is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.191 H 270.2°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2733AD
RGB	rgb(39, 51, 173)
HSL	hsl(235, 63%, 42%)
HSV	hsv(235, 77%, 68%)
CMYK	cmyk(77.5%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(28.94, 38.82, -65.93)
CIE-LCH	lch(28.94, 76.51, 300.49°)
OKLab	oklab(40.34% 0.0007 -0.1909)
OKLCH	oklch(40.34% 0.191 270.2)
XYZ	xyz(9.5608, 5.8151, 40.1456)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733AD #ADA127

analogous

#2776AD #2733AD #5E27AD

triadic

#2733AD #AD2733 #33AD27

tetradic

#2733AD #AD2776 #ADA127 #27AD5E

square

#2733AD #AD2776 #ADA127 #27AD5E

split-complementary

#2733AD #AD5E27 #76AD27

monochromatic

#101649 #1C247B #2733AD #3E4BD3 #707ADF

Accessibility & contrast

On white

9.71

#2733AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2733AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733AD

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733AD	#FFFFFF	#000000	##FFFFFF
##2733AD	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2733ad;
/* rgb */ color: rgb(39, 51, 173);
/* oklch */ color: oklch(40.3% 0.191 270.2);

Tailwind

colors: {
  custom: {
    50: '#786bc7',
    500: '#2733ad',
    950: '#000000',
  },
}

SCSS

$custom: #2733ad;
$custom-light: #786bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2733ad",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 234.627,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40335,
    "c": 0.19088,
    "h": 270.2
  },
  "luminance": 0.05816
}

Semantic roles & 50–950 ramp

primary

#2733AD

secondary

#C6BD6A

accent

#D742E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2733AD

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

Preview Lab → · Contrast checker → · Palette generator →