#2431AF#2431AF

#2431AF is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.196 H 269.5°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#2431AF
RGB	rgb(36, 49, 175)
HSL	hsl(234, 66%, 41%)
HSV	hsv(234, 79%, 69%)
CMYK	cmyk(79.4%, 72%, 0%, 31.4%)
CIE-LAB	lab(28.55, 40.50, -67.77)
CIE-LCH	lch(28.55, 78.95, 300.86°)
OKLab	oklab(40.08% -0.0016 -0.1963)
OKLCH	oklch(40.08% 0.196 269.5)
XYZ	xyz(9.5611, 5.6657, 41.1388)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2431AF #AFA224

analogous

#2477AF #2431AF #5C24AF

triadic

#2431AF #AF2431 #31AF24

tetradic

#2431AF #AF2477 #AFA224 #24AF5C

square

#2431AF #AF2477 #AFA224 #24AF5C

split-complementary

#2431AF #AF5C24 #77AF24

monochromatic

#0F1549 #1A237C #2431AF #3A48D6 #6D77E1

Accessibility & contrast

On white

9.84

#2431AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2431AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2431AF

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2431AF	#FFFFFF	#000000	##FFFFFF
##2431AF	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB3

Deuteranopia (green-blind)

#003CAD

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2431af;
/* rgb */ color: rgb(36, 49, 175);
/* oklch */ color: oklch(40.1% 0.196 269.5);

Tailwind

colors: {
  custom: {
    50: '#786ac8',
    500: '#2431af',
    950: '#000000',
  },
}

SCSS

$custom: #2431af;
$custom-light: #786ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#2431af",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 175
  },
  "hsl": {
    "h": 234.388,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40077,
    "c": 0.19631,
    "h": 269.5
  },
  "luminance": 0.05667
}

Semantic roles & 50–950 ramp

primary

#2431AF

secondary

#C7BE68

accent

#D93FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2431AF

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

Preview Lab → · Contrast checker → · Palette generator →