#273C69#273C69

#273C69 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.083 H 263.9°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#273C69
RGB	rgb(39, 60, 105)
HSL	hsl(221, 46%, 28%)
HSV	hsv(221, 63%, 41%)
CMYK	cmyk(62.9%, 42.9%, 0%, 58.8%)
CIE-LAB	lab(25.81, 7.15, -28.86)
CIE-LCH	lch(25.81, 29.73, 283.91°)
OKLab	oklab(36.28% -0.0088 -0.082)
OKLCH	oklch(36.28% 0.083 263.9)
XYZ	xyz(5.0015, 4.6826, 14.0021)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C69 #695427

analogous

#275D69 #273C69 #332769

triadic

#273C69 #69273C #3C6927

tetradic

#273C69 #69275D #695427 #276933

square

#273C69 #69275D #695427 #276933

split-complementary

#273C69 #693327 #5D6927

monochromatic

#080D16 #16223C #273C69 #385596 #4D71BD

Accessibility & contrast

On white

10.84

#273C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#273C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C69

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C69	#FFFFFF	#000000	##FFFFFF
##273C69	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29406B

Deuteranopia (green-blind)

#203A68

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273c69;
/* rgb */ color: rgb(39, 60, 105);
/* oklch */ color: oklch(36.3% 0.083 263.9);

Tailwind

colors: {
  custom: {
    50: '#687194',
    500: '#273c69',
    950: '#000000',
  },
}

SCSS

$custom: #273c69;
$custom-light: #687194;
$custom-dark: #000000;

JSON

{
  "hex": "#273c69",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 105
  },
  "hsl": {
    "h": 220.909,
    "s": 45.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3628,
    "c": 0.08251,
    "h": 263.9
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#273C69

secondary

#9C8450

accent

#AC52D5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #273C69

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

Preview Lab → · Contrast checker → · Palette generator →