#243797#243797

#243797 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.158 H 268.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#243797
RGB	rgb(36, 55, 151)
HSL	hsl(230, 61%, 37%)
HSV	hsv(230, 76%, 59%)
CMYK	cmyk(76.2%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(27.68, 27.84, -54.68)
CIE-LCH	lch(27.68, 61.36, 296.99°)
OKLab	oklab(38.75% -0.003 -0.158)
OKLCH	oklch(38.75% 0.158 268.9)
XYZ	xyz(7.6777, 5.3410, 29.8984)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243797 #978424

analogous

#247197 #243797 #4B2497

triadic

#243797 #972437 #379724

tetradic

#243797 #972471 #978424 #24974B

square

#243797 #972471 #978424 #24974B

split-complementary

#243797 #974B24 #719724

monochromatic

#0C1334 #182566 #243797 #3049C8 #5D71D8

Accessibility & contrast

On white

10.15

#243797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#243797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243797

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243797	#FFFFFF	#000000	##FFFFFF
##243797	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243797;
/* rgb */ color: rgb(36, 55, 151);
/* oklch */ color: oklch(38.7% 0.158 268.9);

Tailwind

colors: {
  custom: {
    50: '#716db6',
    500: '#243797',
    950: '#000000',
  },
}

SCSS

$custom: #243797;
$custom-light: #716db6;
$custom-dark: #000000;

JSON

{
  "hex": "#243797",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 230.087,
    "s": 61.497,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38746,
    "c": 0.15806,
    "h": 268.9
  },
  "luminance": 0.05342
}

Semantic roles & 50–950 ramp

primary

#243797

secondary

#BDAD5A

accent

#CA43E5

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243797

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

Preview Lab → · Contrast checker → · Palette generator →