#2730AF#2730AF

#2730AF is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.197 H 270.6°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2730AF
RGB	rgb(39, 48, 175)
HSL	hsl(236, 64%, 42%)
HSV	hsv(236, 78%, 69%)
CMYK	cmyk(77.7%, 72.6%, 0%, 31.4%)
CIE-LAB	lab(28.48, 41.35, -67.88)
CIE-LCH	lch(28.48, 79.48, 301.35°)
OKLab	oklab(40.07% 0.0019 -0.1966)
OKLCH	oklch(40.07% 0.197 270.6)
XYZ	xyz(9.6289, 5.6393, 41.1302)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730AF #AFA627

analogous

#2774AF #2730AF #6227AF

triadic

#2730AF #AF2730 #30AF27

tetradic

#2730AF #AF2774 #AFA627 #27AF62

square

#2730AF #AF2774 #AFA627 #27AF62

split-complementary

#2730AF #AF6227 #74AF27

monochromatic

#11154B #1C227D #2730AF #3F49D4 #7178DF

Accessibility & contrast

On white

9.87

#2730AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2730AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730AF

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730AF	#FFFFFF	#000000	##FFFFFF
##2730AF	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003CAD

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2730af;
/* rgb */ color: rgb(39, 48, 175);
/* oklch */ color: oklch(40.1% 0.197 270.6);

Tailwind

colors: {
  custom: {
    50: '#7969c8',
    500: '#2730af',
    950: '#000000',
  },
}

SCSS

$custom: #2730af;
$custom-light: #7969c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2730af",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 175
  },
  "hsl": {
    "h": 236.029,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40067,
    "c": 0.19657,
    "h": 270.6
  },
  "luminance": 0.0564
}

Semantic roles & 50–950 ramp

primary

#2730AF

secondary

#C6C06B

accent

#DC41E7

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2730AF

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

Preview Lab → · Contrast checker → · Palette generator →