#243B96#243B96

#243B96 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.4% C 0.152 H 267.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#243B96
RGB	rgb(36, 59, 150)
HSL	hsl(228, 61%, 36%)
HSV	hsv(228, 76%, 59%)
CMYK	cmyk(76%, 60.7%, 0%, 41.2%)
CIE-LAB	lab(28.65, 24.76, -52.48)
CIE-LCH	lch(28.65, 58.03, 295.26°)
OKLab	oklab(39.44% -0.0058 -0.1515)
OKLCH	oklch(39.44% 0.152 267.8)
XYZ	xyz(7.7946, 5.7042, 29.5385)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B96 #967F24

analogous

#247496 #243B96 #462496

triadic

#243B96 #96243B #3B9624

tetradic

#243B96 #962474 #967F24 #249646

square

#243B96 #962474 #967F24 #249646

split-complementary

#243B96 #964624 #749624

monochromatic

#0C1433 #182865 #243B96 #304EC7 #5C75D8

Accessibility & contrast

On white

9.81

#243B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#243B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B96

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B96	#FFFFFF	#000000	##FFFFFF
##243B96	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004999

Deuteranopia (green-blind)

#003E94

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243b96;
/* rgb */ color: rgb(36, 59, 150);
/* oklch */ color: oklch(39.4% 0.152 267.8);

Tailwind

colors: {
  custom: {
    50: '#7070b6',
    500: '#243b96',
    950: '#000000',
  },
}

SCSS

$custom: #243b96;
$custom-light: #7070b6;
$custom-dark: #000000;

JSON

{
  "hex": "#243b96",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 150
  },
  "hsl": {
    "h": 227.895,
    "s": 61.29,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39438,
    "c": 0.15165,
    "h": 267.8
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#243B96

secondary

#BDA959

accent

#C443E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243B96

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

Preview Lab → · Contrast checker → · Palette generator →