#273684#273684

#273684 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.132 H 270.4°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#273684
RGB	rgb(39, 54, 132)
HSL	hsl(230, 54%, 34%)
HSV	hsv(230, 70%, 52%)
CMYK	cmyk(70.5%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(25.97, 21.67, -45.72)
CIE-LCH	lch(25.97, 50.60, 295.36°)
OKLab	oklab(37.01% 0.0009 -0.1317)
OKLCH	oklch(37.01% 0.132 270.4)
XYZ	xyz(6.3193, 4.7350, 22.4062)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273684 #847527

analogous

#276484 #273684 #462784

triadic

#273684 #842736 #368427

tetradic

#273684 #842764 #847527 #278446

square

#273684 #842764 #847527 #278446

split-complementary

#273684 #844627 #648427

monochromatic

#0B0F26 #192355 #273684 #3549B3 #586BCE

Accessibility & contrast

On white

10.78

#273684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#273684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273684

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273684	#FFFFFF	#000000	##FFFFFF
##273684	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273684;
/* rgb */ color: rgb(39, 54, 132);
/* oklch */ color: oklch(37.0% 0.132 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e6ca8',
    500: '#273684',
    950: '#000000',
  },
}

SCSS

$custom: #273684;
$custom-light: #6e6ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#273684",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 230.323,
    "s": 54.386,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37011,
    "c": 0.13168,
    "h": 270.4
  },
  "luminance": 0.04736
}

Semantic roles & 50–950 ramp

primary

#273684

secondary

#B2A354

accent

#C64ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273684

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

Preview Lab → · Contrast checker → · Palette generator →