#243FA2#243FA2

#243FA2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.163 H 267.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#243FA2
RGB	rgb(36, 63, 162)
HSL	hsl(227, 64%, 39%)
HSV	hsv(227, 78%, 64%)
CMYK	cmyk(77.8%, 61.1%, 0%, 36.5%)
CIE-LAB	lab(30.73, 26.68, -56.38)
CIE-LCH	lch(30.73, 62.38, 295.32°)
OKLab	oklab(41.3% -0.0084 -0.1629)
OKLCH	oklch(41.3% 0.163 267)
XYZ	xyz(9.0244, 6.5377, 34.9617)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243FA2 #A28724

analogous

#247EA2 #243FA2 #4824A2

triadic

#243FA2 #A2243F #3FA224

tetradic

#243FA2 #A2247E #A28724 #24A248

square

#243FA2 #A2247E #A28724 #24A248

split-complementary

#243FA2 #A24824 #7EA224

monochromatic

#0E183E #192C70 #243FA2 #3254D1 #647EDD

Accessibility & contrast

On white

9.10

#243FA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#243FA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243FA2

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243FA2	#FFFFFF	#000000	##FFFFFF
##243FA2	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0043A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #243fa2;
/* rgb */ color: rgb(36, 63, 162);
/* oklch */ color: oklch(41.3% 0.163 267.0);

Tailwind

colors: {
  custom: {
    50: '#7373be',
    500: '#243fa2',
    950: '#000000',
  },
}

SCSS

$custom: #243fa2;
$custom-light: #7373be;
$custom-dark: #000000;

JSON

{
  "hex": "#243fa2",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 162
  },
  "hsl": {
    "h": 227.143,
    "s": 63.636,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41299,
    "c": 0.16316,
    "h": 267
  },
  "luminance": 0.06539
}

Semantic roles & 50–950 ramp

primary

#243FA2

secondary

#C2AD60

accent

#C341E7

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #243FA2

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

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