#272DA1#272DA1

#272DA1 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.182 H 271.7°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#272DA1
RGB	rgb(39, 45, 161)
HSL	hsl(237, 61%, 39%)
HSV	hsv(237, 76%, 63%)
CMYK	cmyk(75.8%, 72%, 0%, 36.9%)
CIE-LAB	lab(26.39, 38.27, -62.89)
CIE-LCH	lch(26.39, 73.62, 301.32°)
OKLab	oklab(38.14% 0.0053 -0.182)
OKLCH	oklch(38.14% 0.182 271.7)
XYZ	xyz(8.2059, 4.8804, 34.2209)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#272DA1 #A19B27

analogous

#276AA1 #272DA1 #5E27A1

triadic

#272DA1 #A1272D #2DA127

tetradic

#272DA1 #A1276A #A19B27 #27A15E

square

#272DA1 #A1276A #A19B27 #27A15E

split-complementary

#272DA1 #A15E27 #6AA127

monochromatic

#0F113E #1B1F70 #272DA1 #373ECE #686EDA

Accessibility & contrast

On white

10.63

#272DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#272DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #272DA1

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##272DA1	#FFFFFF	#000000	##FFFFFF
##272DA1	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00399F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #272da1;
/* rgb */ color: rgb(39, 45, 161);
/* oklch */ color: oklch(38.1% 0.182 271.7);

Tailwind

colors: {
  custom: {
    50: '#7567be',
    500: '#272da1',
    950: '#000000',
  },
}

SCSS

$custom: #272da1;
$custom-light: #7567be;
$custom-dark: #000000;

JSON

{
  "hex": "#272da1",
  "rgb": {
    "r": 39,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 237.049,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38137,
    "c": 0.18209,
    "h": 271.7
  },
  "luminance": 0.04881
}

Semantic roles & 50–950 ramp

primary

#272DA1

secondary

#C0BC63

accent

#DC44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #272DA1

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

Preview Lab → · Contrast checker → · Palette generator →