#273299#273299

#273299 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.166 H 271.1°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#273299
RGB	rgb(39, 50, 153)
HSL	hsl(234, 59%, 38%)
HSV	hsv(234, 75%, 60%)
CMYK	cmyk(74.5%, 67.3%, 0%, 40%)
CIE-LAB	lab(26.77, 32.24, -57.40)
CIE-LCH	lch(26.77, 65.83, 299.32°)
OKLab	oklab(38.17% 0.0033 -0.166)
OKLCH	oklch(38.17% 0.166 271.1)
XYZ	xyz(7.7251, 5.0116, 30.6910)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273299 #998E27

analogous

#276B99 #273299 #552799

triadic

#273299 #992732 #329927

tetradic

#273299 #99276B #998E27 #279955

square

#273299 #99276B #998E27 #279955

split-complementary

#273299 #995527 #6B9927

monochromatic

#0E1237 #1B2268 #273299 #3342CA #636ED7

Accessibility & contrast

On white

10.49

#273299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#273299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273299

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273299	#FFFFFF	#000000	##FFFFFF
##273299	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)

#00459C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #273299;
/* rgb */ color: rgb(39, 50, 153);
/* oklch */ color: oklch(38.2% 0.166 271.1);

Tailwind

colors: {
  custom: {
    50: '#736ab8',
    500: '#273299',
    950: '#000000',
  },
}

SCSS

$custom: #273299;
$custom-light: #736ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#273299",
  "rgb": {
    "r": 39,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 234.211,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38172,
    "c": 0.16599,
    "h": 271.1
  },
  "luminance": 0.05012
}

Semantic roles & 50–950 ramp

primary

#273299

secondary

#BDB45F

accent

#D345E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #273299

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

Preview Lab → · Contrast checker → · Palette generator →