#2730AE#2730AE

#2730AE is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.195 H 270.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2730AE
RGB	rgb(39, 48, 174)
HSL	hsl(236, 63%, 42%)
HSV	hsv(236, 78%, 68%)
CMYK	cmyk(77.6%, 72.4%, 0%, 31.8%)
CIE-LAB	lab(28.38, 41.00, -67.45)
CIE-LCH	lch(28.38, 78.93, 301.29°)
OKLab	oklab(39.96% 0.002 -0.1953)
OKLCH	oklch(39.96% 0.195 270.6)
XYZ	xyz(9.5310, 5.6002, 40.6148)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730AE #AEA527

analogous

#2774AE #2730AE #6227AE

triadic

#2730AE #AE2730 #30AE27

tetradic

#2730AE #AE2774 #AEA527 #27AE62

square

#2730AE #AE2774 #AEA527 #27AE62

split-complementary

#2730AE #AE6227 #74AE27

monochromatic

#11144A #1C227C #2730AE #3E48D4 #7078DF

Accessibility & contrast

On white

9.90

#2730AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2730AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730AE

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730AE	#FFFFFF	#000000	##FFFFFF
##2730AE	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB2

Deuteranopia (green-blind)

#003CAC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2730ae;
/* rgb */ color: rgb(39, 48, 174);
/* oklch */ color: oklch(40.0% 0.195 270.6);

Tailwind

colors: {
  custom: {
    50: '#7869c7',
    500: '#2730ae',
    950: '#000000',
  },
}

SCSS

$custom: #2730ae;
$custom-light: #7869c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2730ae",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 174
  },
  "hsl": {
    "h": 236,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39963,
    "c": 0.19532,
    "h": 270.6
  },
  "luminance": 0.05601
}

Semantic roles & 50–950 ramp

primary

#2730AE

secondary

#C6C06B

accent

#DB41E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2730AE

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

Preview Lab → · Contrast checker → · Palette generator →