#273A69#273A69

#273A69 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.085 H 265.7°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#273A69
RGB	rgb(39, 58, 105)
HSL	hsl(223, 46%, 28%)
HSV	hsv(223, 63%, 41%)
CMYK	cmyk(62.9%, 44.8%, 0%, 58.8%)
CIE-LAB	lab(25.19, 8.53, -29.85)
CIE-LCH	lch(25.19, 31.05, 285.95°)
OKLab	oklab(35.8% -0.0064 -0.085)
OKLCH	oklch(35.8% 0.085 265.7)
XYZ	xyz(4.8987, 4.4770, 13.9679)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A69 #695627

analogous

#275B69 #273A69 #352769

triadic

#273A69 #69273A #3A6927

tetradic

#273A69 #69275B #695627 #276935

square

#273A69 #69275B #695627 #276935

split-complementary

#273A69 #693527 #5B6927

monochromatic

#080C16 #16213C #273A69 #385396 #4D6EBD

Accessibility & contrast

On white

11.08

#273A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#273A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A69

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A69	#FFFFFF	#000000	##FFFFFF
##273A69	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253F6B

Deuteranopia (green-blind)

#1C3968

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273a69;
/* rgb */ color: rgb(39, 58, 105);
/* oklch */ color: oklch(35.8% 0.085 265.7);

Tailwind

colors: {
  custom: {
    50: '#686f94',
    500: '#273a69',
    950: '#000000',
  },
}

SCSS

$custom: #273a69;
$custom-light: #686f94;
$custom-dark: #000000;

JSON

{
  "hex": "#273a69",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 105
  },
  "hsl": {
    "h": 222.727,
    "s": 45.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35801,
    "c": 0.0852,
    "h": 265.7
  },
  "luminance": 0.04477
}

Semantic roles & 50–950 ramp

primary

#273A69

secondary

#9C8650

accent

#B052D5

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #273A69

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

Preview Lab → · Contrast checker → · Palette generator →