#243A53#243A53

#243A53 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.052 H 252.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#243A53
RGB	rgb(36, 58, 83)
HSL	hsl(212, 39%, 23%)
HSV	hsv(212, 57%, 33%)
CMYK	cmyk(56.6%, 30.1%, 0%, 67.5%)
CIE-LAB	lab(23.76, -0.37, -17.79)
CIE-LCH	lch(23.76, 17.80, 268.81°)
OKLab	oklab(34.23% -0.0158 -0.0499)
OKLCH	oklch(34.23% 0.052 252.5)
XYZ	xyz(3.8014, 4.0254, 8.7586)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A53 #533D24

analogous

#245153 #243A53 #252453

triadic

#243A53 #53243A #3A5324

tetradic

#243A53 #532451 #533D24 #245325

square

#243A53 #532451 #533D24 #245325

split-complementary

#243A53 #532524 #515324

monochromatic

#090F15 #111C28 #243A53 #37587E #4976A8

Accessibility & contrast

On white

11.63

#243A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#243A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A53

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A53	#FFFFFF	#000000	##FFFFFF
##243A53	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B54

Deuteranopia (green-blind)

#2A3652

Tritanopia (blue-blind)

#0B4043

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243a53;
/* rgb */ color: rgb(36, 58, 83);
/* oklch */ color: oklch(34.2% 0.052 252.5);

Tailwind

colors: {
  custom: {
    50: '#627083',
    500: '#243a53',
    950: '#000000',
  },
}

SCSS

$custom: #243a53;
$custom-light: #627083;
$custom-dark: #000000;

JSON

{
  "hex": "#243a53",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 83
  },
  "hsl": {
    "h": 211.915,
    "s": 39.496,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34228,
    "c": 0.05231,
    "h": 252.5
  },
  "luminance": 0.04026
}

Semantic roles & 50–950 ramp

primary

#243A53

secondary

#876B4C

accent

#9858CF

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #243A53

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

Preview Lab → · Contrast checker → · Palette generator →