#243C94#243C94

#243C94 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.148 H 267.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#243C94
RGB	rgb(36, 60, 148)
HSL	hsl(227, 61%, 36%)
HSV	hsv(227, 76%, 58%)
CMYK	cmyk(75.7%, 59.5%, 0%, 42%)
CIE-LAB	lab(28.76, 23.30, -51.09)
CIE-LCH	lch(28.76, 56.15, 294.52°)
OKLab	oklab(39.46% -0.0065 -0.1474)
OKLCH	oklch(39.46% 0.148 267.5)
XYZ	xyz(7.6868, 5.7441, 28.7148)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C94 #947C24

analogous

#247494 #243C94 #442494

triadic

#243C94 #94243C #3C9424

tetradic

#243C94 #942474 #947C24 #249444

square

#243C94 #942474 #947C24 #249444

split-complementary

#243C94 #944424 #749424

monochromatic

#0C1432 #182863 #243C94 #3050C5 #5B76D7

Accessibility & contrast

On white

9.77

#243C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#243C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C94

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C94	#FFFFFF	#000000	##FFFFFF
##243C94	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004997

Deuteranopia (green-blind)

#003F92

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243c94;
/* rgb */ color: rgb(36, 60, 148);
/* oklch */ color: oklch(39.5% 0.148 267.5);

Tailwind

colors: {
  custom: {
    50: '#7071b4',
    500: '#243c94',
    950: '#000000',
  },
}

SCSS

$custom: #243c94;
$custom-light: #7071b4;
$custom-dark: #000000;

JSON

{
  "hex": "#243c94",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 148
  },
  "hsl": {
    "h": 227.143,
    "s": 60.87,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39463,
    "c": 0.14758,
    "h": 267.5
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#243C94

secondary

#BCA658

accent

#C244E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243C94

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

Preview Lab → · Contrast checker → · Palette generator →