#2730AD#2730AD

#2730AD is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.194 H 270.6°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#2730AD
RGB	rgb(39, 48, 173)
HSL	hsl(236, 63%, 42%)
HSV	hsv(236, 77%, 68%)
CMYK	cmyk(77.5%, 72.3%, 0%, 32.2%)
CIE-LAB	lab(28.28, 40.65, -67.02)
CIE-LCH	lch(28.28, 78.39, 301.24°)
OKLab	oklab(39.86% 0.0022 -0.1941)
OKLCH	oklch(39.86% 0.194 270.6)
XYZ	xyz(9.4339, 5.5613, 40.1033)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730AD #ADA427

analogous

#2773AD #2730AD #6127AD

triadic

#2730AD #AD2730 #30AD27

tetradic

#2730AD #AD2773 #ADA427 #27AD61

square

#2730AD #AD2773 #ADA427 #27AD61

split-complementary

#2730AD #AD6127 #73AD27

monochromatic

#101449 #1C227B #2730AD #3E48D3 #7077DF

Accessibility & contrast

On white

9.94

#2730AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2730AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730AD

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730AD	#FFFFFF	#000000	##FFFFFF
##2730AD	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B1

Deuteranopia (green-blind)

#003CAB

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2730ad;
/* rgb */ color: rgb(39, 48, 173);
/* oklch */ color: oklch(39.9% 0.194 270.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#2730ad",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 173
  },
  "hsl": {
    "h": 235.97,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39858,
    "c": 0.19407,
    "h": 270.6
  },
  "luminance": 0.05562
}

Semantic roles & 50–950 ramp

primary

#2730AD

secondary

#C6BF6A

accent

#DB42E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2730AD

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

Preview Lab → · Contrast checker → · Palette generator →