#273499#273499

#273499 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.164 H 270.7°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#273499
RGB	rgb(39, 52, 153)
HSL	hsl(233, 59%, 38%)
HSV	hsv(233, 75%, 60%)
CMYK	cmyk(74.5%, 66%, 0%, 40%)
CIE-LAB	lab(27.26, 30.93, -56.59)
CIE-LCH	lch(27.26, 64.49, 298.66°)
OKLab	oklab(38.53% 0.002 -0.1636)
OKLCH	oklch(38.53% 0.164 270.7)
XYZ	xyz(7.8125, 5.1864, 30.7202)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273499 #998C27

analogous

#276D99 #273499 #532799

triadic

#273499 #992734 #349927

tetradic

#273499 #99276D #998C27 #279953

square

#273499 #99276D #998C27 #279953

split-complementary

#273499 #995327 #6D9927

monochromatic

#0E1337 #1B2368 #273499 #3345CA #6370D7

Accessibility & contrast

On white

10.31

#273499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#273499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273499

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273499	#FFFFFF	#000000	##FFFFFF
##273499	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273499;
/* rgb */ color: rgb(39, 52, 153);
/* oklch */ color: oklch(38.5% 0.164 270.7);

Tailwind

colors: {
  custom: {
    50: '#736bb8',
    500: '#273499',
    950: '#000000',
  },
}

SCSS

$custom: #273499;
$custom-light: #736bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#273499",
  "rgb": {
    "r": 39,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 233.158,
    "s": 59.375,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38531,
    "c": 0.1636,
    "h": 270.7
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#273499

secondary

#BDB25F

accent

#D145E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #273499

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

Preview Lab → · Contrast checker → · Palette generator →