#273C97#273C97

#273C97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.151 H 268.6°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#273C97
RGB	rgb(39, 60, 151)
HSL	hsl(229, 59%, 37%)
HSV	hsv(229, 74%, 59%)
CMYK	cmyk(74.2%, 60.3%, 0%, 40.8%)
CIE-LAB	lab(29.15, 24.84, -52.28)
CIE-LCH	lch(29.15, 57.88, 295.42°)
OKLab	oklab(39.87% -0.0036 -0.1509)
OKLCH	oklch(39.87% 0.151 268.6)
XYZ	xyz(8.0365, 5.8966, 29.9868)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C97 #978227

analogous

#277497 #273C97 #4A2797

triadic

#273C97 #97273C #3C9727

tetradic

#273C97 #972774 #978227 #27974A

square

#273C97 #972774 #978227 #27974A

split-complementary

#273C97 #974A27 #749727

monochromatic

#0E1536 #1A2966 #273C97 #344FC8 #6278D6

Accessibility & contrast

On white

9.64

#273C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#273C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C97

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C97	#FFFFFF	#000000	##FFFFFF
##273C97	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #273c97;
/* rgb */ color: rgb(39, 60, 151);
/* oklch */ color: oklch(39.9% 0.151 268.6);

Tailwind

colors: {
  custom: {
    50: '#7271b6',
    500: '#273c97',
    950: '#000000',
  },
}

SCSS

$custom: #273c97;
$custom-light: #7271b6;
$custom-dark: #000000;

JSON

{
  "hex": "#273c97",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 151
  },
  "hsl": {
    "h": 228.75,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39873,
    "c": 0.15091,
    "h": 268.6
  },
  "luminance": 0.05897
}

Semantic roles & 50–950 ramp

primary

#273C97

secondary

#BCAA5E

accent

#C546E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273C97

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

Preview Lab → · Contrast checker → · Palette generator →