#273C9C#273C9C

#273C9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.158 H 268.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#273C9C
RGB	rgb(39, 60, 156)
HSL	hsl(229, 60%, 38%)
HSV	hsv(229, 75%, 61%)
CMYK	cmyk(75%, 61.5%, 0%, 38.8%)
CIE-LAB	lab(29.57, 26.75, -54.64)
CIE-LCH	lch(29.57, 60.83, 296.08°)
OKLab	oklab(40.32% -0.0036 -0.1578)
OKLCH	oklch(40.32% 0.158 268.7)
XYZ	xyz(8.4512, 6.0625, 32.1708)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C9C #9C8727

analogous

#27769C #273C9C #4C279C

triadic

#273C9C #9C273C #3C9C27

tetradic

#273C9C #9C2776 #9C8727 #279C4C

square

#273C9C #9C2776 #9C8727 #279C4C

split-complementary

#273C9C #9C4C27 #769C27

monochromatic

#0F163A #1B296B #273C9C #344FCC #657AD8

Accessibility & contrast

On white

9.49

#273C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#273C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C9C

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C9C	#FFFFFF	#000000	##FFFFFF
##273C9C	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #273c9c;
/* rgb */ color: rgb(39, 60, 156);
/* oklch */ color: oklch(40.3% 0.158 268.7);

Tailwind

colors: {
  custom: {
    50: '#7371ba',
    500: '#273c9c',
    950: '#000000',
  },
}

SCSS

$custom: #273c9c;
$custom-light: #7371ba;
$custom-dark: #000000;

JSON

{
  "hex": "#273c9c",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 156
  },
  "hsl": {
    "h": 229.231,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40316,
    "c": 0.15784,
    "h": 268.7
  },
  "luminance": 0.06063
}

Semantic roles & 50–950 ramp

primary

#273C9C

secondary

#BEAD61

accent

#C745E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #273C9C

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

Preview Lab → · Contrast checker → · Palette generator →