#243597#243597

#243597 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.161 H 269.4°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#243597
RGB	rgb(36, 53, 151)
HSL	hsl(231, 61%, 37%)
HSV	hsv(231, 76%, 59%)
CMYK	cmyk(76.2%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.17, 29.18, -55.52)
CIE-LCH	lch(27.17, 62.72, 297.73°)
OKLab	oklab(38.37% -0.0016 -0.1605)
OKLCH	oklch(38.37% 0.161 269.4)
XYZ	xyz(7.5847, 5.1548, 29.8674)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243597 #978624

analogous

#246F97 #243597 #4C2497

triadic

#243597 #972435 #359724

tetradic

#243597 #97246F #978624 #24974C

square

#243597 #97246F #978624 #24974C

split-complementary

#243597 #974C24 #6F9724

monochromatic

#0C1234 #182466 #243597 #3046C8 #5D6FD8

Accessibility & contrast

On white

10.34

#243597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#243597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243597

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243597	#FFFFFF	#000000	##FFFFFF
##243597	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243597;
/* rgb */ color: rgb(36, 53, 151);
/* oklch */ color: oklch(38.4% 0.161 269.4);

Tailwind

colors: {
  custom: {
    50: '#716cb6',
    500: '#243597',
    950: '#000000',
  },
}

SCSS

$custom: #243597;
$custom-light: #716cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#243597",
  "rgb": {
    "r": 36,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 231.13,
    "s": 61.497,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38368,
    "c": 0.16052,
    "h": 269.4
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary

#243597

secondary

#BDAE5A

accent

#CD43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243597

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

Preview Lab → · Contrast checker → · Palette generator →