#273D97#273D97

#273D97 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.150 H 268.3°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#273D97
RGB	rgb(39, 61, 151)
HSL	hsl(228, 59%, 37%)
HSV	hsv(228, 74%, 59%)
CMYK	cmyk(74.2%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(29.42, 24.17, -51.84)
CIE-LCH	lch(29.42, 57.20, 294.99°)
OKLab	oklab(40.07% -0.0044 -0.1496)
OKLCH	oklch(40.07% 0.15 268.3)
XYZ	xyz(8.0894, 6.0023, 30.0044)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D97 #978127

analogous

#277597 #273D97 #492797

triadic

#273D97 #97273D #3D9727

tetradic

#273D97 #972775 #978127 #279749

square

#273D97 #972775 #978127 #279749

split-complementary

#273D97 #974927 #759727

monochromatic

#0E1636 #1A2966 #273D97 #3451C8 #6279D6

Accessibility & contrast

On white

9.54

#273D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#273D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D97

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D97	#FFFFFF	#000000	##FFFFFF
##273D97	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #273d97;
/* rgb */ color: rgb(39, 61, 151);
/* oklch */ color: oklch(40.1% 0.150 268.3);

Tailwind

colors: {
  custom: {
    50: '#7272b6',
    500: '#273d97',
    950: '#000000',
  },
}

SCSS

$custom: #273d97;
$custom-light: #7272b6;
$custom-dark: #000000;

JSON

{
  "hex": "#273d97",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 228.214,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40073,
    "c": 0.14964,
    "h": 268.3
  },
  "luminance": 0.06003
}

Semantic roles & 50–950 ramp

primary

#273D97

secondary

#BCA95E

accent

#C346E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273D97

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

Preview Lab → · Contrast checker → · Palette generator →