#2730A3#2730A3

#2730A3 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.8% C 0.181 H 271.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#2730A3
RGB	rgb(39, 48, 163)
HSL	hsl(236, 61%, 40%)
HSV	hsv(236, 76%, 64%)
CMYK	cmyk(76.1%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(27.27, 37.13, -62.66)
CIE-LCH	lch(27.27, 72.84, 300.64°)
OKLab	oklab(38.83% 0.0035 -0.1814)
OKLCH	oklch(38.83% 0.181 271.1)
XYZ	xyz(8.5023, 5.1887, 35.1967)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2730A3 #A39A27

analogous

#276EA3 #2730A3 #5C27A3

triadic

#2730A3 #A32730 #30A327

tetradic

#2730A3 #A3276E #A39A27 #27A35C

square

#2730A3 #A3276E #A39A27 #27A35C

split-complementary

#2730A3 #A35C27 #6EA327

monochromatic

#0F1340 #1B2172 #2730A3 #3843CF #6972DB

Accessibility & contrast

On white

10.30

#2730A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2730A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2730A3

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2730A3	#FFFFFF	#000000	##FFFFFF
##2730A3	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A6

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2730a3;
/* rgb */ color: rgb(39, 48, 163);
/* oklch */ color: oklch(38.8% 0.181 271.1);

Tailwind

colors: {
  custom: {
    50: '#7669bf',
    500: '#2730a3',
    950: '#000000',
  },
}

SCSS

$custom: #2730a3;
$custom-light: #7669bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2730a3",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 235.645,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38827,
    "c": 0.18139,
    "h": 271.1
  },
  "luminance": 0.0519
}

Semantic roles & 50–950 ramp

primary

#2730A3

secondary

#C1BB64

accent

#D943E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2730A3

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

Preview Lab → · Contrast checker → · Palette generator →