#273C93#273C93

#273C93 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.145 H 268.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#273C93
RGB	rgb(39, 60, 147)
HSL	hsl(228, 58%, 36%)
HSV	hsv(228, 73%, 58%)
CMYK	cmyk(73.5%, 59.2%, 0%, 42.4%)
CIE-LAB	lab(28.82, 23.31, -50.36)
CIE-LCH	lch(28.82, 55.50, 294.84°)
OKLab	oklab(39.53% -0.0037 -0.1452)
OKLCH	oklch(39.53% 0.145 268.5)
XYZ	xyz(7.7172, 5.7688, 28.3049)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C93 #937E27

analogous

#277293 #273C93 #482793

triadic

#273C93 #93273C #3C9327

tetradic

#273C93 #932772 #937E27 #279348

square

#273C93 #932772 #937E27 #279348

split-complementary

#273C93 #934827 #729327

monochromatic

#0D1532 #1A2863 #273C93 #3450C3 #6076D5

Accessibility & contrast

On white

9.75

#273C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#273C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C93

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C93	#FFFFFF	#000000	##FFFFFF
##273C93	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#003F91

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273c93;
/* rgb */ color: rgb(39, 60, 147);
/* oklch */ color: oklch(39.5% 0.145 268.5);

Tailwind

colors: {
  custom: {
    50: '#7171b3',
    500: '#273c93',
    950: '#000000',
  },
}

SCSS

$custom: #273c93;
$custom-light: #7171b3;
$custom-dark: #000000;

JSON

{
  "hex": "#273c93",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 147
  },
  "hsl": {
    "h": 228.333,
    "s": 58.065,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39526,
    "c": 0.1453,
    "h": 268.5
  },
  "luminance": 0.0577
}

Semantic roles & 50–950 ramp

primary

#273C93

secondary

#BAA85C

accent

#C347E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273C93

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

Preview Lab → · Contrast checker → · Palette generator →