#243E5F#243E5F

#243E5F is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.066 H 255.1°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#243E5F
RGB	rgb(36, 62, 95)
HSL	hsl(214, 45%, 26%)
HSV	hsv(214, 62%, 37%)
CMYK	cmyk(62.1%, 34.7%, 0%, 62.7%)
CIE-LAB	lab(25.70, 1.33, -22.59)
CIE-LCH	lch(25.70, 22.63, 273.37°)
OKLab	oklab(35.96% -0.017 -0.0638)
OKLCH	oklch(35.96% 0.066 255.1)
XYZ	xyz(4.5150, 4.6462, 11.4831)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E5F #5F4524

analogous

#245B5F #243E5F #27245F

triadic

#243E5F #5F243E #3E5F24

tetradic

#243E5F #5F245B #5F4524 #245F27

square

#243E5F #5F245B #5F4524 #245F27

split-complementary

#243E5F #5F2724 #5B5F24

monochromatic

#080E16 #132133 #243E5F #355B8B #4678B8

Accessibility & contrast

On white

10.88

#243E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#243E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E5F

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E5F	#FFFFFF	#000000	##FFFFFF
##243E5F	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304060

Deuteranopia (green-blind)

#293A5E

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243e5f;
/* rgb */ color: rgb(36, 62, 95);
/* oklch */ color: oklch(36.0% 0.066 255.1);

Tailwind

colors: {
  custom: {
    50: '#64738c',
    500: '#243e5f',
    950: '#000000',
  },
}

SCSS

$custom: #243e5f;
$custom-light: #64738c;
$custom-dark: #000000;

JSON

{
  "hex": "#243e5f",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 95
  },
  "hsl": {
    "h": 213.559,
    "s": 45.038,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35961,
    "c": 0.06599,
    "h": 255.1
  },
  "luminance": 0.04647
}

Semantic roles & 50–950 ramp

primary

#243E5F

secondary

#93744C

accent

#9C53D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243E5F

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

Preview Lab → · Contrast checker → · Palette generator →