#273289#273289

#273289 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.144 H 271.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#273289
RGB	rgb(39, 50, 137)
HSL	hsl(233, 56%, 35%)
HSV	hsv(233, 72%, 54%)
CMYK	cmyk(71.5%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(25.32, 26.29, -49.90)
CIE-LCH	lch(25.32, 56.40, 297.79°)
OKLab	oklab(36.66% 0.0043 -0.144)
OKLCH	oklch(36.66% 0.144 271.7)
XYZ	xyz(6.4911, 4.5181, 24.1920)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273289 #897E27

analogous

#276389 #273289 #4D2789

triadic

#273289 #892732 #328927

tetradic

#273289 #892763 #897E27 #27894D

square

#273289 #892763 #897E27 #27894D

split-complementary

#273289 #894D27 #638927

monochromatic

#0C0F2A #192159 #273289 #3543B9 #5A68D0

Accessibility & contrast

On white

11.03

#273289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#273289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273289

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273289	#FFFFFF	#000000	##FFFFFF
##273289	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273289;
/* rgb */ color: rgb(39, 50, 137);
/* oklch */ color: oklch(36.7% 0.144 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f69ac',
    500: '#273289',
    950: '#000000',
  },
}

SCSS

$custom: #273289;
$custom-light: #6f69ac;
$custom-dark: #000000;

JSON

{
  "hex": "#273289",
  "rgb": {
    "r": 39,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 233.265,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36659,
    "c": 0.14407,
    "h": 271.7
  },
  "luminance": 0.04519
}

Semantic roles & 50–950 ramp

primary

#273289

secondary

#B5AB57

accent

#CE49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273289

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

Preview Lab → · Contrast checker → · Palette generator →