#273683#273683

#273683 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.130 H 270.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#273683
RGB	rgb(39, 54, 131)
HSL	hsl(230, 54%, 33%)
HSV	hsv(230, 70%, 51%)
CMYK	cmyk(70.2%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(25.89, 21.29, -45.23)
CIE-LCH	lch(25.89, 49.99, 295.20°)
OKLab	oklab(36.93% 0.0009 -0.1302)
OKLCH	oklch(36.93% 0.13 270.4)
XYZ	xyz(6.2512, 4.7078, 22.0476)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273683 #837427

analogous

#276483 #273683 #462783

triadic

#273683 #832736 #368327

tetradic

#273683 #832764 #837427 #278346

square

#273683 #832764 #837427 #278346

split-complementary

#273683 #834627 #648327

monochromatic

#0B0F25 #192354 #273683 #3549B2 #576BCD

Accessibility & contrast

On white

10.82

#273683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#273683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273683

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273683	#FFFFFF	#000000	##FFFFFF
##273683	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273683;
/* rgb */ color: rgb(39, 54, 131);
/* oklch */ color: oklch(36.9% 0.130 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d6ca8',
    500: '#273683',
    950: '#000000',
  },
}

SCSS

$custom: #273683;
$custom-light: #6d6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#273683",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 230.217,
    "s": 54.118,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36925,
    "c": 0.13023,
    "h": 270.4
  },
  "luminance": 0.04708
}

Semantic roles & 50–950 ramp

primary

#273683

secondary

#B2A354

accent

#C54ADD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273683

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

Preview Lab → · Contrast checker → · Palette generator →