#243288#243288

#243288 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.144 H 270.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#243288
RGB	rgb(36, 50, 136)
HSL	hsl(232, 58%, 34%)
HSV	hsv(232, 74%, 53%)
CMYK	cmyk(73.5%, 63.2%, 0%, 46.7%)
CIE-LAB	lab(25.05, 25.50, -49.71)
CIE-LCH	lch(25.05, 55.87, 297.16°)
OKLab	oklab(36.39% 0.001 -0.1435)
OKLCH	oklch(36.39% 0.144 270.4)
XYZ	xyz(6.3106, 4.4332, 23.8109)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243288 #887A24

analogous

#246488 #243288 #482488

triadic

#243288 #882432 #328824

tetradic

#243288 #882464 #887A24 #248848

square

#243288 #882464 #887A24 #248848

split-complementary

#243288 #884824 #648824

monochromatic

#0A0E27 #172058 #243288 #3144B8 #5566D2

Accessibility & contrast

On white

11.13

#243288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#243288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243288

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243288	#FFFFFF	#000000	##FFFFFF
##243288	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243288;
/* rgb */ color: rgb(36, 50, 136);
/* oklch */ color: oklch(36.4% 0.144 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e69ab',
    500: '#243288',
    950: '#000000',
  },
}

SCSS

$custom: #243288;
$custom-light: #6e69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#243288",
  "rgb": {
    "r": 36,
    "g": 50,
    "b": 136
  },
  "hsl": {
    "h": 231.6,
    "s": 58.14,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36393,
    "c": 0.14352,
    "h": 270.4
  },
  "luminance": 0.04434
}

Semantic roles & 50–950 ramp

primary

#243288

secondary

#B6A852

accent

#CC46E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243288

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

Preview Lab → · Contrast checker → · Palette generator →