#243D56#243D56

#243D56 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.054 H 249.6°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#243D56
RGB	rgb(36, 61, 86)
HSL	hsl(210, 41%, 24%)
HSV	hsv(210, 58%, 34%)
CMYK	cmyk(58.1%, 29.1%, 0%, 66.3%)
CIE-LAB	lab(24.90, -1.30, -17.98)
CIE-LCH	lch(24.90, 18.02, 265.86°)
OKLab	oklab(35.18% -0.0188 -0.0504)
OKLCH	oklch(35.18% 0.054 249.6)
XYZ	xyz(4.0754, 4.3841, 9.4338)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D56 #563D24

analogous

#245656 #243D56 #242456

triadic

#243D56 #56243D #3D5624

tetradic

#243D56 #562456 #563D24 #245624

square

#243D56 #562456 #563D24 #245624

split-complementary

#243D56 #562424 #565624

monochromatic

#090F16 #121E2B #243D56 #365C81 #487AAC

Accessibility & contrast

On white

11.19

#243D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#243D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D56

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D56	#FFFFFF	#000000	##FFFFFF
##243D56	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#2C3956

Tritanopia (blue-blind)

#064346

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243d56;
/* rgb */ color: rgb(36, 61, 86);
/* oklch */ color: oklch(35.2% 0.054 249.6);

Tailwind

colors: {
  custom: {
    50: '#637285',
    500: '#243d56',
    950: '#000000',
  },
}

SCSS

$custom: #243d56;
$custom-light: #637285;
$custom-dark: #000000;

JSON

{
  "hex": "#243d56",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 86
  },
  "hsl": {
    "h": 210,
    "s": 40.984,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3518,
    "c": 0.05378,
    "h": 249.6
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#243D56

secondary

#8A6B4C

accent

#9457D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #243D56

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

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