#243397#243397

#243397 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.163 H 269.9°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#243397
RGB	rgb(36, 51, 151)
HSL	hsl(232, 61%, 37%)
HSV	hsv(232, 76%, 59%)
CMYK	cmyk(76.2%, 66.2%, 0%, 40.8%)
CIE-LAB	lab(26.67, 30.51, -56.34)
CIE-LCH	lch(26.67, 64.07, 298.43°)
OKLab	oklab(38% -0.0003 -0.1629)
OKLCH	oklch(38% 0.163 269.9)
XYZ	xyz(7.4954, 4.9763, 29.8376)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243397 #978824

analogous

#246D97 #243397 #4F2497

triadic

#243397 #972433 #339724

tetradic

#243397 #97246D #978824 #24974F

square

#243397 #97246D #978824 #24974F

split-complementary

#243397 #974F24 #6D9724

monochromatic

#0C1234 #182266 #243397 #3044C8 #5D6DD8

Accessibility & contrast

On white

10.52

#243397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#243397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243397

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243397	#FFFFFF	#000000	##FFFFFF
##243397	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459A

Deuteranopia (green-blind)

#003A95

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243397;
/* rgb */ color: rgb(36, 51, 151);
/* oklch */ color: oklch(38.0% 0.163 269.9);

Tailwind

colors: {
  custom: {
    50: '#716ab7',
    500: '#243397',
    950: '#000000',
  },
}

SCSS

$custom: #243397;
$custom-light: #716ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#243397",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 151
  },
  "hsl": {
    "h": 232.174,
    "s": 61.497,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37998,
    "c": 0.16294,
    "h": 269.9
  },
  "luminance": 0.04977
}

Semantic roles & 50–950 ramp

primary

#243397

secondary

#BDB05A

accent

#D043E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #243397

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

Preview Lab → · Contrast checker → · Palette generator →