#2731A6#2731A6

#2731A6 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.184 H 270.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#2731A6
RGB	rgb(39, 49, 166)
HSL	hsl(235, 62%, 40%)
HSV	hsv(235, 77%, 65%)
CMYK	cmyk(76.5%, 70.5%, 0%, 34.9%)
CIE-LAB	lab(27.79, 37.57, -63.61)
CIE-LCH	lch(27.79, 73.88, 300.57°)
OKLab	oklab(39.3% 0.0026 -0.1841)
OKLCH	oklch(39.3% 0.184 270.8)
XYZ	xyz(8.8156, 5.3802, 36.6429)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2731A6 #A69C27

analogous

#2770A6 #2731A6 #5D27A6

triadic

#2731A6 #A62731 #31A627

tetradic

#2731A6 #A62770 #A69C27 #27A65D

square

#2731A6 #A62770 #A69C27 #27A65D

split-complementary

#2731A6 #A65D27 #70A627

monochromatic

#101443 #1B2274 #2731A6 #3A45D1 #6B74DC

Accessibility & contrast

On white

10.11

#2731A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2731A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2731A6

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2731A6	#FFFFFF	#000000	##FFFFFF
##2731A6	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003BA4

Tritanopia (blue-blind)

#005168

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2731a6;
/* rgb */ color: rgb(39, 49, 166);
/* oklch */ color: oklch(39.3% 0.184 270.8);

Tailwind

colors: {
  custom: {
    50: '#766ac2',
    500: '#2731a6',
    950: '#000000',
  },
}

SCSS

$custom: #2731a6;
$custom-light: #766ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#2731a6",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 166
  },
  "hsl": {
    "h": 235.276,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39296,
    "c": 0.18414,
    "h": 270.8
  },
  "luminance": 0.05381
}

Semantic roles & 50–950 ramp

primary

#2731A6

secondary

#C3BB66

accent

#D843E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2731A6

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

Preview Lab → · Contrast checker → · Palette generator →