#273B97#273B97

#273B97 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.152 H 268.9°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#273B97
RGB	rgb(39, 59, 151)
HSL	hsl(229, 59%, 37%)
HSV	hsv(229, 74%, 59%)
CMYK	cmyk(74.2%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(28.88, 25.52, -52.71)
CIE-LCH	lch(28.88, 58.56, 295.83°)
OKLab	oklab(39.67% -0.0029 -0.1521)
OKLCH	oklch(39.67% 0.152 268.9)
XYZ	xyz(7.9847, 5.7928, 29.9695)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B97 #978327

analogous

#277397 #273B97 #4B2797

triadic

#273B97 #97273B #3B9727

tetradic

#273B97 #972773 #978327 #27974B

square

#273B97 #972773 #978327 #27974B

split-complementary

#273B97 #974B27 #739727

monochromatic

#0E1536 #1A2866 #273B97 #344EC8 #6277D6

Accessibility & contrast

On white

9.73

#273B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#273B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B97

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B97	#FFFFFF	#000000	##FFFFFF
##273B97	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273b97;
/* rgb */ color: rgb(39, 59, 151);
/* oklch */ color: oklch(39.7% 0.152 268.9);

Tailwind

colors: {
  custom: {
    50: '#7270b6',
    500: '#273b97',
    950: '#000000',
  },
}

SCSS

$custom: #273b97;
$custom-light: #7270b6;
$custom-dark: #000000;

JSON

{
  "hex": "#273b97",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 229.286,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39675,
    "c": 0.15218,
    "h": 268.9
  },
  "luminance": 0.05794
}

Semantic roles & 50–950 ramp

primary

#273B97

secondary

#BCAB5E

accent

#C646E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273B97

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

Preview Lab → · Contrast checker → · Palette generator →