#243E98#243E98

#243E98 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.151 H 267.0°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#243E98
RGB	rgb(36, 62, 152)
HSL	hsl(227, 62%, 37%)
HSV	hsv(227, 76%, 60%)
CMYK	cmyk(76.3%, 59.2%, 0%, 40.4%)
CIE-LAB	lab(29.63, 23.50, -52.11)
CIE-LCH	lch(29.63, 57.16, 294.27°)
OKLab	oklab(40.22% -0.0079 -0.1504)
OKLCH	oklch(40.22% 0.151 267)
XYZ	xyz(8.1157, 6.0864, 30.4468)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E98 #987E24

analogous

#247898 #243E98 #442498

triadic

#243E98 #98243E #3E9824

tetradic

#243E98 #982478 #987E24 #249844

square

#243E98 #982478 #987E24 #249844

split-complementary

#243E98 #984424 #789824

monochromatic

#0D1635 #182A67 #243E98 #3052C9 #5E79D9

Accessibility & contrast

On white

9.47

#243E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#243E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E98

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E98	#FFFFFF	#000000	##FFFFFF
##243E98	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#004196

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #243e98;
/* rgb */ color: rgb(36, 62, 152);
/* oklch */ color: oklch(40.2% 0.151 267.0);

Tailwind

colors: {
  custom: {
    50: '#7172b7',
    500: '#243e98',
    950: '#000000',
  },
}

SCSS

$custom: #243e98;
$custom-light: #7172b7;
$custom-dark: #000000;

JSON

{
  "hex": "#243e98",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 152
  },
  "hsl": {
    "h": 226.552,
    "s": 61.702,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40218,
    "c": 0.15063,
    "h": 267
  },
  "luminance": 0.06087
}

Semantic roles & 50–950 ramp

primary

#243E98

secondary

#BEA75A

accent

#C143E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #243E98

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

Preview Lab → · Contrast checker → · Palette generator →