#273E97#273E97

#273E97 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.148 H 268.0°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#273E97
RGB	rgb(39, 62, 151)
HSL	hsl(228, 59%, 37%)
HSV	hsv(228, 74%, 59%)
CMYK	cmyk(74.2%, 58.9%, 0%, 40.8%)
CIE-LAB	lab(29.69, 23.49, -51.40)
CIE-LCH	lch(29.69, 56.51, 294.56°)
OKLab	oklab(40.28% -0.0052 -0.1483)
OKLCH	oklch(40.28% 0.148 268)
XYZ	xyz(8.1433, 6.1101, 30.0224)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E97 #978027

analogous

#277697 #273E97 #482797

triadic

#273E97 #97273E #3E9727

tetradic

#273E97 #972776 #978027 #279748

square

#273E97 #972776 #978027 #279748

split-complementary

#273E97 #974827 #769727

monochromatic

#0E1636 #1A2A66 #273E97 #3452C8 #627AD6

Accessibility & contrast

On white

9.45

#273E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#273E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E97

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E97	#FFFFFF	#000000	##FFFFFF
##273E97	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004195

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #273e97;
/* rgb */ color: rgb(39, 62, 151);
/* oklch */ color: oklch(40.3% 0.148 268.0);

Tailwind

colors: {
  custom: {
    50: '#7272b6',
    500: '#273e97',
    950: '#000000',
  },
}

SCSS

$custom: #273e97;
$custom-light: #7272b6;
$custom-dark: #000000;

JSON

{
  "hex": "#273e97",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 151
  },
  "hsl": {
    "h": 227.679,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40275,
    "c": 0.14835,
    "h": 268
  },
  "luminance": 0.06111
}

Semantic roles & 50–950 ramp

primary

#273E97

secondary

#BCA95E

accent

#C246E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #273E97

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

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