#273F97#273F97

#273F97 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.147 H 267.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#273F97
RGB	rgb(39, 63, 151)
HSL	hsl(227, 59%, 37%)
HSV	hsv(227, 74%, 59%)
CMYK	cmyk(74.2%, 58.3%, 0%, 40.8%)
CIE-LAB	lab(29.96, 22.81, -50.96)
CIE-LCH	lch(29.96, 55.83, 294.12°)
OKLab	oklab(40.48% -0.006 -0.1469)
OKLCH	oklch(40.48% 0.147 267.7)
XYZ	xyz(8.1982, 6.2199, 30.0406)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F97 #977F27

analogous

#277797 #273F97 #472797

triadic

#273F97 #97273F #3F9727

tetradic

#273F97 #972777 #977F27 #279747

square

#273F97 #972777 #977F27 #279747

split-complementary

#273F97 #974727 #779727

monochromatic

#0E1636 #1A2B66 #273F97 #3453C8 #627BD6

Accessibility & contrast

On white

9.36

#273F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#273F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F97

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F97	#FFFFFF	#000000	##FFFFFF
##273F97	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9A

Deuteranopia (green-blind)

#004295

Tritanopia (blue-blind)

#005564

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #273f97;
/* rgb */ color: rgb(39, 63, 151);
/* oklch */ color: oklch(40.5% 0.147 267.7);

Tailwind

colors: {
  custom: {
    50: '#7173b6',
    500: '#273f97',
    950: '#000000',
  },
}

SCSS

$custom: #273f97;
$custom-light: #7173b6;
$custom-dark: #000000;

JSON

{
  "hex": "#273f97",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 151
  },
  "hsl": {
    "h": 227.143,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40479,
    "c": 0.14707,
    "h": 267.7
  },
  "luminance": 0.06221
}

Semantic roles & 50–950 ramp

primary

#273F97

secondary

#BCA85E

accent

#C146E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #273F97

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

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