#243E63#243E63

#243E63 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.2% C 0.072 H 257.3°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#243E63
RGB	rgb(36, 62, 99)
HSL	hsl(215, 47%, 26%)
HSV	hsv(215, 64%, 39%)
CMYK	cmyk(63.6%, 37.4%, 0%, 61.2%)
CIE-LAB	lab(25.92, 2.84, -24.83)
CIE-LCH	lch(25.92, 24.99, 276.51°)
OKLab	oklab(36.21% -0.0158 -0.0703)
OKLCH	oklch(36.21% 0.072 257.3)
XYZ	xyz(4.7015, 4.7208, 12.4654)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E63 #634924

analogous

#245E63 #243E63 #2A2463

triadic

#243E63 #63243E #3E6324

tetradic

#243E63 #63245E #634924 #24632A

square

#243E63 #63245E #634924 #24632A

split-complementary

#243E63 #632A24 #5E6324

monochromatic

#080E16 #142236 #243E63 #345A90 #4676BC

Accessibility & contrast

On white

10.80

#243E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#243E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E63

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E63	#FFFFFF	#000000	##FFFFFF
##243E63	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4165

Deuteranopia (green-blind)

#263B62

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243e63;
/* rgb */ color: rgb(36, 62, 99);
/* oklch */ color: oklch(36.2% 0.072 257.3);

Tailwind

colors: {
  custom: {
    50: '#65738f',
    500: '#243e63',
    950: '#000000',
  },
}

SCSS

$custom: #243e63;
$custom-light: #65738f;
$custom-dark: #000000;

JSON

{
  "hex": "#243e63",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 99
  },
  "hsl": {
    "h": 215.238,
    "s": 46.667,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36207,
    "c": 0.07203,
    "h": 257.3
  },
  "luminance": 0.04721
}

Semantic roles & 50–950 ramp

primary

#243E63

secondary

#96784C

accent

#9F51D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243E63

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

Preview Lab → · Contrast checker → · Palette generator →