#243E71#243E71

#243E71 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.093 H 262.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#243E71
RGB	rgb(36, 62, 113)
HSL	hsl(220, 52%, 29%)
HSV	hsv(220, 68%, 44%)
CMYK	cmyk(68.1%, 45.1%, 0%, 55.7%)
CIE-LAB	lab(26.77, 8.22, -32.46)
CIE-LCH	lch(26.77, 33.48, 284.21°)
OKLab	oklab(37.14% -0.0123 -0.0926)
OKLCH	oklch(37.14% 0.093 262.4)
XYZ	xyz(5.4298, 5.0121, 16.3009)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E71 #715724

analogous

#246571 #243E71 #312471

triadic

#243E71 #71243E #3E7124

tetradic

#243E71 #712465 #715724 #247131

square

#243E71 #712465 #715724 #247131

split-complementary

#243E71 #713124 #657124

monochromatic

#070D17 #152543 #243E71 #33579F #4A74C5

Accessibility & contrast

On white

10.49

#243E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#243E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E71

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E71	#FFFFFF	#000000	##FFFFFF
##243E71	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264373

Deuteranopia (green-blind)

#1A3C70

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243e71;
/* rgb */ color: rgb(36, 62, 113);
/* oklch */ color: oklch(37.1% 0.093 262.4);

Tailwind

colors: {
  custom: {
    50: '#68729a',
    500: '#243e71',
    950: '#000000',
  },
}

SCSS

$custom: #243e71;
$custom-light: #68729a;
$custom-dark: #000000;

JSON

{
  "hex": "#243e71",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 113
  },
  "hsl": {
    "h": 219.74,
    "s": 51.678,
    "l": 29.216
  },
  "oklch": {
    "l": 0.37138,
    "c": 0.09343,
    "h": 262.4
  },
  "luminance": 0.05013
}

Semantic roles & 50–950 ramp

primary

#243E71

secondary

#A4874D

accent

#AB4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #243E71

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

Preview Lab → · Contrast checker → · Palette generator →