#243791#243791

#243791 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.2% C 0.150 H 268.9°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#243791
RGB	rgb(36, 55, 145)
HSL	hsl(230, 60%, 35%)
HSV	hsv(230, 75%, 57%)
CMYK	cmyk(75.2%, 62.1%, 0%, 43.1%)
CIE-LAB	lab(27.16, 25.55, -51.85)
CIE-LCH	lch(27.16, 57.80, 296.23°)
OKLab	oklab(38.2% -0.0029 -0.1497)
OKLCH	oklch(38.2% 0.15 268.9)
XYZ	xyz(7.2028, 5.1510, 27.3972)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243791 #917E24

analogous

#246D91 #243791 #472491

triadic

#243791 #912437 #379124

tetradic

#243791 #91246D #917E24 #249147

square

#243791 #91246D #917E24 #249147

split-complementary

#243791 #914724 #6D9124

monochromatic

#0C122F #182460 #243791 #304AC2 #596FD6

Accessibility & contrast

On white

10.34

#243791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#243791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243791

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243791	#FFFFFF	#000000	##FFFFFF
##243791	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)

#004594

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #243791;
/* rgb */ color: rgb(36, 55, 145);
/* oklch */ color: oklch(38.2% 0.150 268.9);

Tailwind

colors: {
  custom: {
    50: '#706db2',
    500: '#243791',
    950: '#000000',
  },
}

SCSS

$custom: #243791;
$custom-light: #706db2;
$custom-dark: #000000;

JSON

{
  "hex": "#243791",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 145
  },
  "hsl": {
    "h": 229.541,
    "s": 60.221,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38196,
    "c": 0.14976,
    "h": 268.9
  },
  "luminance": 0.05152
}

Semantic roles & 50–950 ramp

primary

#243791

secondary

#BAA956

accent

#C844E3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #243791

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

Preview Lab → · Contrast checker → · Palette generator →