#243E91#243E91

#243E91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.141 H 266.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#243E91
RGB	rgb(36, 62, 145)
HSL	hsl(226, 60%, 35%)
HSV	hsv(226, 75%, 57%)
CMYK	cmyk(75.2%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(29.07, 20.77, -48.75)
CIE-LCH	lch(29.07, 52.99, 293.08°)
OKLab	oklab(39.62% -0.0082 -0.1405)
OKLCH	oklch(39.62% 0.141 266.6)
XYZ	xyz(7.5592, 5.8638, 27.5160)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E91 #917724

analogous

#247491 #243E91 #402491

triadic

#243E91 #91243E #3E9124

tetradic

#243E91 #912474 #917724 #249140

square

#243E91 #912474 #917724 #249140

split-complementary

#243E91 #914024 #749124

monochromatic

#0C142F #182960 #243E91 #3053C2 #5977D6

Accessibility & contrast

On white

9.66

#243E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#243E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E91

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E91	#FFFFFF	#000000	##FFFFFF
##243E91	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #243e91;
/* rgb */ color: rgb(36, 62, 145);
/* oklch */ color: oklch(39.6% 0.141 266.6);

Tailwind

colors: {
  custom: {
    50: '#6f72b2',
    500: '#243e91',
    950: '#000000',
  },
}

SCSS

$custom: #243e91;
$custom-light: #6f72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#243e91",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 225.688,
    "s": 60.221,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39619,
    "c": 0.14076,
    "h": 266.6
  },
  "luminance": 0.05865
}

Semantic roles & 50–950 ramp

primary

#243E91

secondary

#BAA356

accent

#BD44E3

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #243E91

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

Preview Lab → · Contrast checker → · Palette generator →