#243689#243689

#243689 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.140 H 269.1°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#243689
RGB	rgb(36, 54, 137)
HSL	hsl(229, 58%, 34%)
HSV	hsv(229, 74%, 54%)
CMYK	cmyk(73.7%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(26.21, 23.15, -48.45)
CIE-LCH	lch(26.21, 53.69, 295.54°)
OKLab	oklab(37.28% -0.0021 -0.1398)
OKLCH	oklch(37.28% 0.14 269.1)
XYZ	xyz(6.5605, 4.8189, 24.2464)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243689 #897724

analogous

#246989 #243689 #452489

triadic

#243689 #892436 #368924

tetradic

#243689 #892469 #897724 #248945

square

#243689 #892469 #897724 #248945

split-complementary

#243689 #894524 #698924

monochromatic

#0B1028 #172359 #243689 #3149B9 #556BD2

Accessibility & contrast

On white

10.69

#243689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#243689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243689

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243689	#FFFFFF	#000000	##FFFFFF
##243689	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243689;
/* rgb */ color: rgb(36, 54, 137);
/* oklch */ color: oklch(37.3% 0.140 269.1);

Tailwind

colors: {
  custom: {
    50: '#6e6cac',
    500: '#243689',
    950: '#000000',
  },
}

SCSS

$custom: #243689;
$custom-light: #6e6cac;
$custom-dark: #000000;

JSON

{
  "hex": "#243689",
  "rgb": {
    "r": 36,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 229.307,
    "s": 58.382,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.13978,
    "h": 269.1
  },
  "luminance": 0.0482
}

Semantic roles & 50–950 ramp

primary

#243689

secondary

#B7A552

accent

#C646E2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #243689

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

Preview Lab → · Contrast checker → · Palette generator →