#273EA2#273EA2

#273EA2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.164 H 268.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#273EA2
RGB	rgb(39, 62, 162)
HSL	hsl(229, 61%, 39%)
HSV	hsv(229, 76%, 64%)
CMYK	cmyk(75.9%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(30.60, 27.69, -56.59)
CIE-LCH	lch(30.60, 63.00, 296.07°)
OKLab	oklab(41.24% -0.0051 -0.1635)
OKLCH	oklch(41.24% 0.164 268.2)
XYZ	xyz(9.0787, 6.4842, 34.9485)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273EA2 #A28B27

analogous

#277CA2 #273EA2 #4D27A2

triadic

#273EA2 #A2273E #3EA227

tetradic

#273EA2 #A2277C #A28B27 #27A24D

square

#273EA2 #A2277C #A28B27 #27A24D

split-complementary

#273EA2 #A24D27 #7CA227

monochromatic

#0F183F #1B2B71 #273EA2 #3754CF #697EDB

Accessibility & contrast

On white

9.14

#273EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#273EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273EA2

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273EA2	#FFFFFF	#000000	##FFFFFF
##273EA2	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #273ea2;
/* rgb */ color: rgb(39, 62, 162);
/* oklch */ color: oklch(41.2% 0.164 268.2);

Tailwind

colors: {
  custom: {
    50: '#7473be',
    500: '#273ea2',
    950: '#000000',
  },
}

SCSS

$custom: #273ea2;
$custom-light: #7473be;
$custom-dark: #000000;

JSON

{
  "hex": "#273ea2",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 228.78,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41241,
    "c": 0.16357,
    "h": 268.2
  },
  "luminance": 0.06485
}

Semantic roles & 50–950 ramp

primary

#273EA2

secondary

#C1B064

accent

#C643E4

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #273EA2

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

Preview Lab → · Contrast checker → · Palette generator →