#243ABD#243ABD

#243ABD is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.0% C 0.204 H 268.1°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#243ABD
RGB	rgb(36, 58, 189)
HSL	hsl(231, 68%, 44%)
HSV	hsv(231, 81%, 74%)
CMYK	cmyk(81%, 69.3%, 0%, 25.9%)
CIE-LAB	lab(31.97, 39.96, -70.44)
CIE-LCH	lch(31.97, 80.99, 299.56°)
OKLab	oklab(42.97% -0.0068 -0.2041)
OKLCH	oklch(42.97% 0.204 268.1)
XYZ	xyz(11.4227, 7.0740, 48.8976)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243ABD #BDA724

analogous

#2486BD #243ABD #5B24BD

triadic

#243ABD #BD243A #3ABD24

tetradic

#243ABD #BD2486 #BDA724 #24BD5B

square

#243ABD #BD2486 #BDA724 #24BD5B

split-complementary

#243ABD #BD5B24 #86BD24

monochromatic

#101A56 #1A2A8A #243ABD #4359DB #7686E5

Accessibility & contrast

On white

8.70

#243ABD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#243ABD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243ABD

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243ABD	#FFFFFF	#000000	##FFFFFF
##243ABD	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #243abd;
/* rgb */ color: rgb(36, 58, 189);
/* oklch */ color: oklch(43.0% 0.204 268.1);

Tailwind

colors: {
  custom: {
    50: '#7a70d2',
    500: '#243abd',
    950: '#000000',
  },
}

SCSS

$custom: #243abd;
$custom-light: #7a70d2;
$custom-dark: #000000;

JSON

{
  "hex": "#243abd",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 189
  },
  "hsl": {
    "h": 231.373,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42968,
    "c": 0.2042,
    "h": 268.1
  },
  "luminance": 0.07075
}

Semantic roles & 50–950 ramp

primary

#243ABD

secondary

#CCBF70

accent

#D23DEB

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #243ABD

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

Preview Lab → · Contrast checker → · Palette generator →