#243B56#243B56

#243B56 is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.056 H 253.3°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#243B56
RGB	rgb(36, 59, 86)
HSL	hsl(212, 41%, 24%)
HSV	hsv(212, 58%, 34%)
CMYK	cmyk(58.1%, 31.4%, 0%, 66.3%)
CIE-LAB	lab(24.24, 0.04, -19.01)
CIE-LCH	lch(24.24, 19.01, 270.12°)
OKLab	oklab(34.66% -0.0161 -0.0534)
OKLCH	oklch(34.66% 0.056 253.3)
XYZ	xyz(3.9706, 4.1746, 9.3988)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B56 #563F24

analogous

#245456 #243B56 #262456

triadic

#243B56 #56243B #3B5624

tetradic

#243B56 #562454 #563F24 #245626

square

#243B56 #562454 #563F24 #245626

split-complementary

#243B56 #562624 #545624

monochromatic

#090F16 #121D2B #243B56 #365981 #4876AC

Accessibility & contrast

On white

11.44

#243B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#243B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B56

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B56	#FFFFFF	#000000	##FFFFFF
##243B56	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C57

Deuteranopia (green-blind)

#2A3755

Tritanopia (blue-blind)

#074144

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #243b56;
/* rgb */ color: rgb(36, 59, 86);
/* oklch */ color: oklch(34.7% 0.056 253.3);

Tailwind

colors: {
  custom: {
    50: '#637085',
    500: '#243b56',
    950: '#000000',
  },
}

SCSS

$custom: #243b56;
$custom-light: #637085;
$custom-dark: #000000;

JSON

{
  "hex": "#243b56",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 86
  },
  "hsl": {
    "h": 212.4,
    "s": 40.984,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3466,
    "c": 0.05575,
    "h": 253.3
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#243B56

secondary

#8A6D4C

accent

#9957D1

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #243B56

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

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