#243188#243188

#243188 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.145 H 270.7°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#243188
RGB	rgb(36, 49, 136)
HSL	hsl(232, 58%, 34%)
HSV	hsv(232, 74%, 53%)
CMYK	cmyk(73.5%, 64%, 0%, 46.7%)
CIE-LAB	lab(24.79, 26.18, -50.14)
CIE-LCH	lch(24.79, 56.56, 297.57°)
OKLab	oklab(36.2% 0.0018 -0.1448)
OKLCH	oklch(36.2% 0.145 270.7)
XYZ	xyz(6.2683, 4.3486, 23.7968)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243188 #887B24

analogous

#246388 #243188 #492488

triadic

#243188 #882431 #318824

tetradic

#243188 #882463 #887B24 #248849

square

#243188 #882463 #887B24 #248849

split-complementary

#243188 #884924 #638824

monochromatic

#0A0E27 #172058 #243188 #3142B8 #5565D2

Accessibility & contrast

On white

11.23

#243188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#243188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243188

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243188	#FFFFFF	#000000	##FFFFFF
##243188	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003686

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243188;
/* rgb */ color: rgb(36, 49, 136);
/* oklch */ color: oklch(36.2% 0.145 270.7);

Tailwind

colors: {
  custom: {
    50: '#6e69ab',
    500: '#243188',
    950: '#000000',
  },
}

SCSS

$custom: #243188;
$custom-light: #6e69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#243188",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 136
  },
  "hsl": {
    "h": 232.2,
    "s": 58.14,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36199,
    "c": 0.1448,
    "h": 270.7
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#243188

secondary

#B6A952

accent

#CD46E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243188

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

Preview Lab → · Contrast checker → · Palette generator →