#243999#243999

#243999 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.158 H 268.4°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#243999
RGB	rgb(36, 57, 153)
HSL	hsl(229, 62%, 37%)
HSV	hsv(229, 76%, 60%)
CMYK	cmyk(76.5%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.38, 27.26, -54.76)
CIE-LCH	lch(28.38, 61.17, 296.47°)
OKLab	oklab(39.32% -0.0043 -0.1582)
OKLCH	oklch(39.32% 0.158 268.4)
XYZ	xyz(7.9385, 5.6004, 30.7934)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243999 #998424

analogous

#247499 #243999 #4A2499

triadic

#243999 #992439 #399924

tetradic

#243999 #992474 #998424 #24994A

square

#243999 #992474 #998424 #24994A

split-complementary

#243999 #994A24 #749924

monochromatic

#0D1436 #182767 #243999 #304BCB #5E74D9

Accessibility & contrast

On white

9.90

#243999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#243999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243999

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243999	#FFFFFF	#000000	##FFFFFF
##243999	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #243999;
/* rgb */ color: rgb(36, 57, 153);
/* oklch */ color: oklch(39.3% 0.158 268.4);

Tailwind

colors: {
  custom: {
    50: '#716fb8',
    500: '#243999',
    950: '#000000',
  },
}

SCSS

$custom: #243999;
$custom-light: #716fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#243999",
  "rgb": {
    "r": 36,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 229.231,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39315,
    "c": 0.15831,
    "h": 268.4
  },
  "luminance": 0.05601
}

Semantic roles & 50–950 ramp

primary

#243999

secondary

#BEAC5B

accent

#C843E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243999

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

Preview Lab → · Contrast checker → · Palette generator →