#2730A1#2730A1

#2730A1 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.179 H 271.2°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2730A1
RGB	rgb(39, 48, 161)
HSL	hsl(236, 61%, 39%)
HSV	hsv(236, 76%, 63%)
CMYK	cmyk(75.8%, 70.2%, 0%, 36.9%)
CIE-LAB	lab(27.07, 36.41, -61.78)
CIE-LCH	lch(27.07, 71.71, 300.51°)
OKLab	oklab(38.62% 0.0037 -0.1788)
OKLCH	oklch(38.62% 0.179 271.2)
XYZ	xyz(8.3245, 5.1176, 34.2604)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730A1 #A19827

analogous

#276DA1 #2730A1 #5B27A1

triadic

#2730A1 #A12730 #30A127

tetradic

#2730A1 #A1276D #A19827 #27A15B

square

#2730A1 #A1276D #A19827 #27A15B

split-complementary

#2730A1 #A15B27 #6DA127

monochromatic

#0F133E #1B2170 #2730A1 #3742CE #6870DA

Accessibility & contrast

On white

10.38

#2730A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2730A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730A1

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730A1	#FFFFFF	#000000	##FFFFFF
##2730A1	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A4

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#004F65

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2730a1;
/* rgb */ color: rgb(39, 48, 161);
/* oklch */ color: oklch(38.6% 0.179 271.2);

Tailwind

colors: {
  custom: {
    50: '#7569be',
    500: '#2730a1',
    950: '#000000',
  },
}

SCSS

$custom: #2730a1;
$custom-light: #7569be;
$custom-dark: #000000;

JSON

{
  "hex": "#2730a1",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 161
  },
  "hsl": {
    "h": 235.574,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38624,
    "c": 0.17881,
    "h": 271.2
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#2730A1

secondary

#C0BA63

accent

#D844E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2730A1

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

Preview Lab → · Contrast checker → · Palette generator →