#243255#243255

#243255 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.3% C 0.065 H 266.3°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#243255
RGB	rgb(36, 50, 85)
HSL	hsl(223, 40%, 24%)
HSV	hsv(223, 58%, 33%)
CMYK	cmyk(57.6%, 41.2%, 0%, 66.7%)
CIE-LAB	lab(21.25, 5.89, -23.04)
CIE-LCH	lch(21.25, 23.79, 284.34°)
OKLab	oklab(32.31% -0.0042 -0.0652)
OKLCH	oklch(32.31% 0.065 266.3)
XYZ	xyz(3.5073, 3.3119, 9.0470)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243255 #554724

analogous

#244A55 #243255 #2E2455

triadic

#243255 #552432 #325524

tetradic

#243255 #55244A #554724 #24552E

square

#243255 #55244A #554724 #24552E

split-complementary

#243255 #552E24 #4A5524

monochromatic

#090D15 #12192A #243255 #364B80 #4865AB

Accessibility & contrast

On white

12.63

#243255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#243255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243255

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243255	#FFFFFF	#000000	##FFFFFF
##243255	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243556

Deuteranopia (green-blind)

#1E3154

Tritanopia (blue-blind)

#0B3A3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #243255;
/* rgb */ color: rgb(36, 50, 85);
/* oklch */ color: oklch(32.3% 0.065 266.3);

Tailwind

colors: {
  custom: {
    50: '#636985',
    500: '#243255',
    950: '#000000',
  },
}

SCSS

$custom: #243255;
$custom-light: #636985;
$custom-dark: #000000;

JSON

{
  "hex": "#243255",
  "rgb": {
    "r": 36,
    "g": 50,
    "b": 85
  },
  "hsl": {
    "h": 222.857,
    "s": 40.496,
    "l": 23.725
  },
  "oklch": {
    "l": 0.32314,
    "c": 0.06532,
    "h": 266.3
  },
  "luminance": 0.03312
}

Semantic roles & 50–950 ramp

primary

#243255

secondary

#89774C

accent

#AE57D0

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #243255

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

Preview Lab → · Contrast checker → · Palette generator →