#2733A0#2733A0

#2733A0 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.174 H 270.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#2733A0
RGB	rgb(39, 51, 160)
HSL	hsl(234, 61%, 39%)
HSV	hsv(234, 76%, 63%)
CMYK	cmyk(75.6%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.67, 34.15, -60.18)
CIE-LCH	lch(27.67, 69.19, 299.58°)
OKLab	oklab(39.03% 0.0021 -0.1741)
OKLCH	oklch(39.03% 0.174 270.7)
XYZ	xyz(8.3635, 5.3362, 33.8401)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2733A0 #A09427

analogous

#2770A0 #2733A0 #5827A0

triadic

#2733A0 #A02733 #33A027

tetradic

#2733A0 #A02770 #A09427 #27A058

square

#2733A0 #A02770 #A09427 #27A058

split-complementary

#2733A0 #A05827 #70A027

monochromatic

#0F143E #1B236F #2733A0 #3645CE #6773DA

Accessibility & contrast

On white

10.16

#2733A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2733A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2733A0

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2733A0	#FFFFFF	#000000	##FFFFFF
##2733A0	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003C9E

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2733a0;
/* rgb */ color: rgb(39, 51, 160);
/* oklch */ color: oklch(39.0% 0.174 270.7);

Tailwind

colors: {
  custom: {
    50: '#756bbd',
    500: '#2733a0',
    950: '#000000',
  },
}

SCSS

$custom: #2733a0;
$custom-light: #756bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2733a0",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 234.05,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39032,
    "c": 0.1741,
    "h": 270.7
  },
  "luminance": 0.05337
}

Semantic roles & 50–950 ramp

primary

#2733A0

secondary

#C0B763

accent

#D444E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2733A0

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

Preview Lab → · Contrast checker → · Palette generator →