#273584#273584

#273584 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.133 H 270.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#273584
RGB	rgb(39, 53, 132)
HSL	hsl(231, 54%, 34%)
HSV	hsv(231, 70%, 52%)
CMYK	cmyk(70.5%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(25.69, 22.36, -46.17)
CIE-LCH	lch(25.69, 51.30, 295.84°)
OKLab	oklab(36.81% 0.0018 -0.133)
OKLCH	oklch(36.81% 0.133 270.8)
XYZ	xyz(6.2732, 4.6429, 22.3909)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273584 #847627

analogous

#276384 #273584 #472784

triadic

#273584 #842735 #358427

tetradic

#273584 #842763 #847627 #278447

square

#273584 #842763 #847627 #278447

split-complementary

#273584 #844727 #638427

monochromatic

#0B0F26 #192255 #273584 #3548B3 #586ACE

Accessibility & contrast

On white

10.89

#273584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#273584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273584

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273584	#FFFFFF	#000000	##FFFFFF
##273584	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004187

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273584;
/* rgb */ color: rgb(39, 53, 132);
/* oklch */ color: oklch(36.8% 0.133 270.8);

Tailwind

colors: {
  custom: {
    50: '#6e6ca8',
    500: '#273584',
    950: '#000000',
  },
}

SCSS

$custom: #273584;
$custom-light: #6e6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#273584",
  "rgb": {
    "r": 39,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 230.968,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36806,
    "c": 0.13301,
    "h": 270.8
  },
  "luminance": 0.04643
}

Semantic roles & 50–950 ramp

primary

#273584

secondary

#B2A454

accent

#C84ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273584

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

Preview Lab → · Contrast checker → · Palette generator →