#273663#273663

#273663 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.081 H 268.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#273663
RGB	rgb(39, 54, 99)
HSL	hsl(225, 43%, 27%)
HSV	hsv(225, 61%, 39%)
CMYK	cmyk(60.6%, 45.5%, 0%, 61.2%)
CIE-LAB	lab(23.57, 9.06, -28.55)
CIE-LCH	lch(23.57, 29.95, 287.60°)
OKLab	oklab(34.44% -0.0027 -0.0812)
OKLCH	oklch(34.44% 0.081 268.1)
XYZ	xyz(4.4072, 3.9702, 12.3360)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273663 #635427

analogous

#275463 #273663 #362763

triadic

#273663 #632736 #366327

tetradic

#273663 #632754 #635427 #276336

square

#273663 #632754 #635427 #276336

split-complementary

#273663 #633627 #546327

monochromatic

#090C16 #161E37 #273663 #384E8F #4C67B8

Accessibility & contrast

On white

11.70

#273663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#273663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273663

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273663	#FFFFFF	#000000	##FFFFFF
##273663	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223B65

Deuteranopia (green-blind)

#1B3662

Tritanopia (blue-blind)

#014047

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273663;
/* rgb */ color: rgb(39, 54, 99);
/* oklch */ color: oklch(34.4% 0.081 268.1);

Tailwind

colors: {
  custom: {
    50: '#676c90',
    500: '#273663',
    950: '#000000',
  },
}

SCSS

$custom: #273663;
$custom-light: #676c90;
$custom-dark: #000000;

JSON

{
  "hex": "#273663",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 99
  },
  "hsl": {
    "h": 225,
    "s": 43.478,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34435,
    "c": 0.08123,
    "h": 268.1
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#273663

secondary

#968450

accent

#B455D3

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #273663

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

Preview Lab → · Contrast checker → · Palette generator →