#273B72#273B72

#273B72 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.098 H 266.6°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#273B72
RGB	rgb(39, 59, 114)
HSL	hsl(224, 49%, 30%)
HSV	hsv(224, 66%, 45%)
CMYK	cmyk(65.8%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(26.08, 11.27, -34.19)
CIE-LCH	lch(26.08, 36.00, 288.25°)
OKLab	oklab(36.67% -0.0058 -0.0977)
OKLCH	oklch(36.67% 0.098 266.6)
XYZ	xyz(5.4369, 4.7737, 16.5512)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B72 #725E27

analogous

#276172 #273B72 #382772

triadic

#273B72 #72273B #3B7227

tetradic

#273B72 #722761 #725E27 #277238

square

#273B72 #722761 #725E27 #277238

split-complementary

#273B72 #723827 #617227

monochromatic

#080C17 #172344 #273B72 #3753A0 #506FC3

Accessibility & contrast

On white

10.74

#273B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#273B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B72

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B72	#FFFFFF	#000000	##FFFFFF
##273B72	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204174

Deuteranopia (green-blind)

#133B71

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273b72;
/* rgb */ color: rgb(39, 59, 114);
/* oklch */ color: oklch(36.7% 0.098 266.6);

Tailwind

colors: {
  custom: {
    50: '#69709b',
    500: '#273b72',
    950: '#000000',
  },
}

SCSS

$custom: #273b72;
$custom-light: #69709b;
$custom-dark: #000000;

JSON

{
  "hex": "#273b72",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 224,
    "s": 49.02,
    "l": 30
  },
  "oklch": {
    "l": 0.36674,
    "c": 0.09785,
    "h": 266.6
  },
  "luminance": 0.04774
}

Semantic roles & 50–950 ramp

primary

#273B72

secondary

#A48E50

accent

#B44FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273B72

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

Preview Lab → · Contrast checker → · Palette generator →