#243E5D#243E5D

#243E5D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.063 H 253.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#243E5D
RGB	rgb(36, 62, 93)
HSL	hsl(213, 44%, 25%)
HSV	hsv(213, 61%, 36%)
CMYK	cmyk(61.3%, 33.3%, 0%, 63.5%)
CIE-LAB	lab(25.59, 0.59, -21.46)
CIE-LCH	lch(25.59, 21.47, 271.57°)
OKLab	oklab(35.84% -0.0177 -0.0605)
OKLCH	oklch(35.84% 0.063 253.7)
XYZ	xyz(4.4253, 4.6103, 11.0105)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E5D #5D4324

analogous

#245A5D #243E5D #27245D

triadic

#243E5D #5D243E #3E5D24

tetradic

#243E5D #5D245A #5D4324 #245D27

square

#243E5D #5D245A #5D4324 #245D27

split-complementary

#243E5D #5D2724 #5A5D24

monochromatic

#090F16 #132131 #243E5D #355B89 #4679B5

Accessibility & contrast

On white

10.92

#243E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#243E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E5D

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E5D	#FFFFFF	#000000	##FFFFFF
##243E5D	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405E

Deuteranopia (green-blind)

#2A3A5C

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243e5d;
/* rgb */ color: rgb(36, 62, 93);
/* oklch */ color: oklch(35.8% 0.063 253.7);

Tailwind

colors: {
  custom: {
    50: '#64738b',
    500: '#243e5d',
    950: '#000000',
  },
}

SCSS

$custom: #243e5d;
$custom-light: #64738b;
$custom-dark: #000000;

JSON

{
  "hex": "#243e5d",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 93
  },
  "hsl": {
    "h": 212.632,
    "s": 44.186,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35842,
    "c": 0.06301,
    "h": 253.7
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#243E5D

secondary

#91714C

accent

#9A54D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243E5D

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

Preview Lab → · Contrast checker → · Palette generator →