#273E9A#273E9A

#273E9A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.153 H 268.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#273E9A
RGB	rgb(39, 62, 154)
HSL	hsl(228, 60%, 38%)
HSV	hsv(228, 75%, 60%)
CMYK	cmyk(74.7%, 59.7%, 0%, 39.6%)
CIE-LAB	lab(29.93, 24.64, -52.83)
CIE-LCH	lch(29.93, 58.29, 295.00°)
OKLab	oklab(40.53% -0.0051 -0.1525)
OKLCH	oklch(40.53% 0.153 268.1)
XYZ	xyz(8.3900, 6.2088, 31.3218)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E9A #9A8327

analogous

#27779A #273E9A #49279A

triadic

#273E9A #9A273E #3E9A27

tetradic

#273E9A #9A2777 #9A8327 #279A49

square

#273E9A #9A2777 #9A8327 #279A49

split-complementary

#273E9A #9A4927 #779A27

monochromatic

#0E1738 #1B2A69 #273E9A #3352CB #647BD8

Accessibility & contrast

On white

9.37

#273E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#273E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E9A

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E9A	#FFFFFF	#000000	##FFFFFF
##273E9A	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #273e9a;
/* rgb */ color: rgb(39, 62, 154);
/* oklch */ color: oklch(40.5% 0.153 268.1);

Tailwind

colors: {
  custom: {
    50: '#7273b9',
    500: '#273e9a',
    950: '#000000',
  },
}

SCSS

$custom: #273e9a;
$custom-light: #7273b9;
$custom-dark: #000000;

JSON

{
  "hex": "#273e9a",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 154
  },
  "hsl": {
    "h": 228,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40534,
    "c": 0.15255,
    "h": 268.1
  },
  "luminance": 0.0621
}

Semantic roles & 50–950 ramp

primary

#273E9A

secondary

#BDAB5F

accent

#C345E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #273E9A

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

Preview Lab → · Contrast checker → · Palette generator →