#243386#243386

#243386 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.139 H 270.1°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#243386
RGB	rgb(36, 51, 134)
HSL	hsl(231, 58%, 33%)
HSV	hsv(231, 73%, 53%)
CMYK	cmyk(73.1%, 61.9%, 0%, 47.5%)
CIE-LAB	lab(25.15, 24.05, -48.31)
CIE-LCH	lch(25.15, 53.97, 296.47°)
OKLab	oklab(36.41% 0.0003 -0.1394)
OKLCH	oklch(36.41% 0.139 270.1)
XYZ	xyz(6.2130, 4.4633, 23.0837)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243386 #867724

analogous

#246486 #243386 #462486

triadic

#243386 #862433 #338624

tetradic

#243386 #862464 #867724 #248646

square

#243386 #862464 #867724 #248646

split-complementary

#243386 #864624 #648624

monochromatic

#0A0E26 #172156 #243386 #3145B6 #5367D1

Accessibility & contrast

On white

11.09

#243386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#243386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243386

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243386	#FFFFFF	#000000	##FFFFFF
##243386	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004089

Deuteranopia (green-blind)

#003784

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243386;
/* rgb */ color: rgb(36, 51, 134);
/* oklch */ color: oklch(36.4% 0.139 270.1);

Tailwind

colors: {
  custom: {
    50: '#6d6aaa',
    500: '#243386',
    950: '#000000',
  },
}

SCSS

$custom: #243386;
$custom-light: #6d6aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#243386",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 134
  },
  "hsl": {
    "h": 230.816,
    "s": 57.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36408,
    "c": 0.1394,
    "h": 270.1
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#243386

secondary

#B5A651

accent

#C947E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #243386

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

Preview Lab → · Contrast checker → · Palette generator →