#2731C4#2731C4

#2731C4 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.221 H 269.6°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2731C4
RGB	rgb(39, 49, 196)
HSL	hsl(236, 67%, 46%)
HSV	hsv(236, 80%, 77%)
CMYK	cmyk(80.1%, 75%, 0%, 23.1%)
CIE-LAB	lab(30.91, 47.92, -76.32)
CIE-LCH	lch(30.91, 90.11, 302.12°)
OKLab	oklab(42.45% -0.0016 -0.2211)
OKLCH	oklch(42.45% 0.221 269.6)
XYZ	xyz(11.8954, 6.6121, 52.8632)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2731C4 #C4BA27

analogous

#277FC4 #2731C4 #6B27C4

triadic

#2731C4 #C42731 #31C427

tetradic

#2731C4 #C4277F #C4BA27 #27C46B

square

#2731C4 #C4277F #C4BA27 #27C46B

split-complementary

#2731C4 #C46B27 #7FC427

monochromatic

#13175E #1D2491 #2731C4 #4D56DC #8086E6

Accessibility & contrast

On white

9.04

#2731C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2731C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2731C4

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2731C4	#FFFFFF	#000000	##FFFFFF
##2731C4	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C8

Deuteranopia (green-blind)

#0041C1

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2731c4;
/* rgb */ color: rgb(39, 49, 196);
/* oklch */ color: oklch(42.5% 0.221 269.6);

Tailwind

colors: {
  custom: {
    50: '#7e6bd7',
    500: '#2731c4',
    950: '#000000',
  },
}

SCSS

$custom: #2731c4;
$custom-light: #7e6bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#2731c4",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 196
  },
  "hsl": {
    "h": 236.178,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42452,
    "c": 0.2211,
    "h": 269.6
  },
  "luminance": 0.06613
}

Semantic roles & 50–950 ramp

primary

#2731C4

secondary

#CEC979

accent

#DF3EEA

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2731C4

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

Preview Lab → · Contrast checker → · Palette generator →