#2731A2#2731A2

#2731A2 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.179 H 271.0°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#2731A2
RGB	rgb(39, 49, 162)
HSL	hsl(235, 61%, 39%)
HSV	hsv(235, 76%, 64%)
CMYK	cmyk(75.9%, 69.8%, 0%, 36.5%)
CIE-LAB	lab(27.40, 36.14, -61.84)
CIE-LCH	lch(27.40, 71.63, 300.30°)
OKLab	oklab(38.89% 0.003 -0.179)
OKLCH	oklch(38.89% 0.179 271)
XYZ	xyz(8.4544, 5.2357, 34.7404)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2731A2 #A29827

analogous

#276FA2 #2731A2 #5B27A2

triadic

#2731A2 #A22731 #31A227

tetradic

#2731A2 #A2276F #A29827 #27A25B

square

#2731A2 #A2276F #A29827 #27A25B

split-complementary

#2731A2 #A25B27 #6FA227

monochromatic

#0F133F #1B2271 #2731A2 #3744CF #6972DB

Accessibility & contrast

On white

10.26

#2731A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2731A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2731A2

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2731A2	#FFFFFF	#000000	##FFFFFF
##2731A2	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A5

Deuteranopia (green-blind)

#003BA0

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2731a2;
/* rgb */ color: rgb(39, 49, 162);
/* oklch */ color: oklch(38.9% 0.179 271.0);

Tailwind

colors: {
  custom: {
    50: '#7569bf',
    500: '#2731a2',
    950: '#000000',
  },
}

SCSS

$custom: #2731a2;
$custom-light: #7569bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2731a2",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 162
  },
  "hsl": {
    "h": 235.122,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38891,
    "c": 0.17899,
    "h": 271
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#2731A2

secondary

#C1B964

accent

#D743E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2731A2

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

Preview Lab → · Contrast checker → · Palette generator →