#273FA2#273FA2

#273FA2 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.162 H 268.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#273FA2
RGB	rgb(39, 63, 162)
HSL	hsl(228, 61%, 39%)
HSV	hsv(228, 76%, 64%)
CMYK	cmyk(75.9%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(30.86, 27.02, -56.16)
CIE-LCH	lch(30.86, 62.32, 295.69°)
OKLab	oklab(41.44% -0.0057 -0.1622)
OKLCH	oklch(41.44% 0.162 268)
XYZ	xyz(9.1335, 6.5940, 34.9668)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273FA2 #A28A27

analogous

#277DA2 #273FA2 #4D27A2

triadic

#273FA2 #A2273F #3FA227

tetradic

#273FA2 #A2277D #A28A27 #27A24D

square

#273FA2 #A2277D #A28A27 #27A24D

split-complementary

#273FA2 #A24D27 #7DA227

monochromatic

#0F193F #1B2C71 #273FA2 #3755CF #697FDB

Accessibility & contrast

On white

9.06

#273FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#273FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273FA2

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273FA2	#FFFFFF	#000000	##FFFFFF
##273FA2	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0043A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #273fa2;
/* rgb */ color: rgb(39, 63, 162);
/* oklch */ color: oklch(41.4% 0.162 268.0);

Tailwind

colors: {
  custom: {
    50: '#7473be',
    500: '#273fa2',
    950: '#000000',
  },
}

SCSS

$custom: #273fa2;
$custom-light: #7473be;
$custom-dark: #000000;

JSON

{
  "hex": "#273fa2",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 228.293,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41435,
    "c": 0.16232,
    "h": 268
  },
  "luminance": 0.06595
}

Semantic roles & 50–950 ramp

primary

#273FA2

secondary

#C1AF64

accent

#C543E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #273FA2

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

Preview Lab → · Contrast checker → · Palette generator →