#273D76#273D76

#273D76 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.101 H 265.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#273D76
RGB	rgb(39, 61, 118)
HSL	hsl(223, 50%, 31%)
HSV	hsv(223, 67%, 46%)
CMYK	cmyk(66.9%, 48.3%, 0%, 53.7%)
CIE-LAB	lab(26.95, 11.42, -35.33)
CIE-LCH	lch(26.95, 37.13, 287.92°)
OKLab	oklab(37.43% -0.0073 -0.101)
OKLCH	oklch(37.43% 0.101 265.8)
XYZ	xyz(5.7743, 5.0763, 17.8115)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D76 #766027

analogous

#276476 #273D76 #382776

triadic

#273D76 #76273D #3D7627

tetradic

#273D76 #762764 #766027 #277638

square

#273D76 #762764 #766027 #277638

split-complementary

#273D76 #763827 #647627

monochromatic

#090D1A #182548 #273D76 #3655A4 #5272C6

Accessibility & contrast

On white

10.42

#273D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#273D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D76

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D76	#FFFFFF	#000000	##FFFFFF
##273D76	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214478

Deuteranopia (green-blind)

#133C75

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273d76;
/* rgb */ color: rgb(39, 61, 118);
/* oklch */ color: oklch(37.4% 0.101 265.8);

Tailwind

colors: {
  custom: {
    50: '#6a729e',
    500: '#273d76',
    950: '#000000',
  },
}

SCSS

$custom: #273d76;
$custom-light: #6a729e;
$custom-dark: #000000;

JSON

{
  "hex": "#273d76",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 118
  },
  "hsl": {
    "h": 223.291,
    "s": 50.318,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37427,
    "c": 0.10127,
    "h": 265.8
  },
  "luminance": 0.05077
}

Semantic roles & 50–950 ramp

primary

#273D76

secondary

#A89051

accent

#B34EDA

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #273D76

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

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