#243455#243455

#243455 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.8% C 0.063 H 263.7°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#243455
RGB	rgb(36, 52, 85)
HSL	hsl(220, 40%, 24%)
HSV	hsv(220, 58%, 33%)
CMYK	cmyk(57.6%, 38.8%, 0%, 66.7%)
CIE-LAB	lab(21.90, 4.49, -22.03)
CIE-LCH	lch(21.90, 22.48, 281.51°)
OKLab	oklab(32.81% -0.0069 -0.0622)
OKLCH	oklch(32.81% 0.063 263.7)
XYZ	xyz(3.5947, 3.4867, 9.0761)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243455 #554524

analogous

#244C55 #243455 #2C2455

triadic

#243455 #552434 #345524

tetradic

#243455 #55244C #554524 #24552C

square

#243455 #55244C #554524 #24552C

split-complementary

#243455 #552C24 #4C5524

monochromatic

#090D15 #121A2A #243455 #364E80 #4869AB

Accessibility & contrast

On white

12.37

#243455 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#243455 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243455

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243455	#FFFFFF	#000000	##FFFFFF
##243455	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273756

Deuteranopia (green-blind)

#213254

Tritanopia (blue-blind)

#0B3B40

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #243455;
/* rgb */ color: rgb(36, 52, 85);
/* oklch */ color: oklch(32.8% 0.063 263.7);

Tailwind

colors: {
  custom: {
    50: '#636b85',
    500: '#243455',
    950: '#000000',
  },
}

SCSS

$custom: #243455;
$custom-light: #636b85;
$custom-dark: #000000;

JSON

{
  "hex": "#243455",
  "rgb": {
    "r": 36,
    "g": 52,
    "b": 85
  },
  "hsl": {
    "h": 220.408,
    "s": 40.496,
    "l": 23.725
  },
  "oklch": {
    "l": 0.32813,
    "c": 0.06259,
    "h": 263.7
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary

#243455

secondary

#89754C

accent

#A957D0

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #243455

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

Preview Lab → · Contrast checker → · Palette generator →