#273391#273391

#273391 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.154 H 271.2°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#273391
RGB	rgb(39, 51, 145)
HSL	hsl(233, 58%, 36%)
HSV	hsv(233, 73%, 57%)
CMYK	cmyk(73.1%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(26.28, 28.62, -53.28)
CIE-LCH	lch(26.28, 60.48, 298.24°)
OKLab	oklab(37.59% 0.0032 -0.1539)
OKLCH	oklch(37.59% 0.154 271.2)
XYZ	xyz(7.1296, 4.8426, 27.3415)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273391 #918527

analogous

#276891 #273391 #502791

triadic

#273391 #912733 #339127

tetradic

#273391 #912768 #918527 #279150

square

#273391 #912768 #918527 #279150

split-complementary

#273391 #915027 #689127

monochromatic

#0D1131 #1A2261 #273391 #3444C1 #5F6CD4

Accessibility & contrast

On white

10.67

#273391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#273391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273391

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273391	#FFFFFF	#000000	##FFFFFF
##273391	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273391;
/* rgb */ color: rgb(39, 51, 145);
/* oklch */ color: oklch(37.6% 0.154 271.2);

Tailwind

colors: {
  custom: {
    50: '#716ab2',
    500: '#273391',
    950: '#000000',
  },
}

SCSS

$custom: #273391;
$custom-light: #716ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#273391",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 233.208,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3759,
    "c": 0.15393,
    "h": 271.2
  },
  "luminance": 0.04843
}

Semantic roles & 50–950 ramp

primary

#273391

secondary

#B9AE5B

accent

#CF47E1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #273391

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

Preview Lab → · Contrast checker → · Palette generator →