#273AAE#273AAE

#273AAE is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.184 H 269.1°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#273AAE
RGB	rgb(39, 58, 174)
HSL	hsl(232, 63%, 42%)
HSV	hsv(232, 78%, 68%)
CMYK	cmyk(77.6%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(30.67, 34.78, -63.68)
CIE-LCH	lch(30.67, 72.56, 298.64°)
OKLab	oklab(41.62% -0.003 -0.1843)
OKLCH	oklch(41.62% 0.184 269.1)
XYZ	xyz(9.9871, 6.5123, 40.7668)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273AAE #AE9B27

analogous

#277DAE #273AAE #5827AE

triadic

#273AAE #AE273A #3AAE27

tetradic

#273AAE #AE277D #AE9B27 #27AE58

square

#273AAE #AE277D #AE9B27 #27AE58

split-complementary

#273AAE #AE5827 #7DAE27

monochromatic

#11194A #1C297C #273AAE #3E53D4 #7080DF

Accessibility & contrast

On white

9.12

#273AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#273AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273AAE

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273AAE	#FFFFFF	#000000	##FFFFFF
##273AAE	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0042AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #273aae;
/* rgb */ color: rgb(39, 58, 174);
/* oklch */ color: oklch(41.6% 0.184 269.1);

Tailwind

colors: {
  custom: {
    50: '#7870c7',
    500: '#273aae',
    950: '#000000',
  },
}

SCSS

$custom: #273aae;
$custom-light: #7870c7;
$custom-dark: #000000;

JSON

{
  "hex": "#273aae",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 231.556,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4162,
    "c": 0.18433,
    "h": 269.1
  },
  "luminance": 0.06513
}

Semantic roles & 50–950 ramp

primary

#273AAE

secondary

#C6B96B

accent

#CF41E6

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #273AAE

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

Preview Lab → · Contrast checker → · Palette generator →