#273D73#273D73

#273D73 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.097 H 265.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#273D73
RGB	rgb(39, 61, 115)
HSL	hsl(223, 49%, 30%)
HSV	hsv(223, 66%, 45%)
CMYK	cmyk(66.1%, 47%, 0%, 54.9%)
CIE-LAB	lab(26.75, 10.27, -33.75)
CIE-LCH	lch(26.75, 35.27, 286.93°)
OKLab	oklab(37.21% -0.0079 -0.0963)
OKLCH	oklch(37.21% 0.097 265.3)
XYZ	xyz(5.5989, 5.0061, 16.8876)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D73 #735D27

analogous

#276373 #273D73 #372773

triadic

#273D73 #73273D #3D7327

tetradic

#273D73 #732763 #735D27 #277337

square

#273D73 #732763 #735D27 #277337

split-complementary

#273D73 #733727 #637327

monochromatic

#080D18 #182545 #273D73 #3655A1 #5172C4

Accessibility & contrast

On white

10.49

#273D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#273D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D73

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D73	#FFFFFF	#000000	##FFFFFF
##273D73	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234375

Deuteranopia (green-blind)

#173C72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273d73;
/* rgb */ color: rgb(39, 61, 115);
/* oklch */ color: oklch(37.2% 0.097 265.3);

Tailwind

colors: {
  custom: {
    50: '#6a729c',
    500: '#273d73',
    950: '#000000',
  },
}

SCSS

$custom: #273d73;
$custom-light: #6a729c;
$custom-dark: #000000;

JSON

{
  "hex": "#273d73",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 222.632,
    "s": 49.351,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3721,
    "c": 0.09667,
    "h": 265.3
  },
  "luminance": 0.05007
}

Semantic roles & 50–950 ramp

primary

#273D73

secondary

#A58D50

accent

#B14FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273D73

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

Preview Lab → · Contrast checker → · Palette generator →