#243458#243458

#243458 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.067 H 264.8°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#243458
RGB	rgb(36, 52, 88)
HSL	hsl(222, 42%, 24%)
HSV	hsv(222, 59%, 35%)
CMYK	cmyk(59.1%, 40.9%, 0%, 65.5%)
CIE-LAB	lab(22.07, 5.60, -23.74)
CIE-LCH	lch(22.07, 24.39, 283.28°)
OKLab	oklab(33.01% -0.0061 -0.0672)
OKLCH	oklch(33.01% 0.067 264.8)
XYZ	xyz(3.7164, 3.5354, 9.7172)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243458 #584824

analogous

#244E58 #243458 #2E2458

triadic

#243458 #582434 #345824

tetradic

#243458 #58244E #584824 #24582E

square

#243458 #58244E #584824 #24582E

split-complementary

#243458 #582E24 #4E5824

monochromatic

#090D16 #121A2D #243458 #364E83 #4867AF

Accessibility & contrast

On white

12.30

#243458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#243458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243458

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243458	#FFFFFF	#000000	##FFFFFF
##243458	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253759

Deuteranopia (green-blind)

#1F3357

Tritanopia (blue-blind)

#073C41

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #243458;
/* rgb */ color: rgb(36, 52, 88);
/* oklch */ color: oklch(33.0% 0.067 264.8);

Tailwind

colors: {
  custom: {
    50: '#636b87',
    500: '#243458',
    950: '#000000',
  },
}

SCSS

$custom: #243458;
$custom-light: #636b87;
$custom-dark: #000000;

JSON

{
  "hex": "#243458",
  "rgb": {
    "r": 36,
    "g": 52,
    "b": 88
  },
  "hsl": {
    "h": 221.538,
    "s": 41.935,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33006,
    "c": 0.06746,
    "h": 264.8
  },
  "luminance": 0.03536
}

Semantic roles & 50–950 ramp

primary

#243458

secondary

#8C784C

accent

#AC56D2

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#05060B

muted

#7A7A7C

Preview Lab

Preview with #243458

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

Preview Lab → · Contrast checker → · Palette generator →