#243E59#243E59

#243E59 is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.057 H 250.6°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#243E59
RGB	rgb(36, 62, 89)
HSL	hsl(211, 42%, 25%)
HSV	hsv(211, 60%, 35%)
CMYK	cmyk(59.6%, 30.3%, 0%, 65.1%)
CIE-LAB	lab(25.39, -0.88, -19.19)
CIE-LCH	lch(25.39, 19.21, 267.37°)
OKLab	oklab(35.61% -0.019 -0.0539)
OKLCH	oklch(35.61% 0.057 250.6)
XYZ	xyz(4.2527, 4.5412, 10.1017)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E59 #593F24

analogous

#245959 #243E59 #252459

triadic

#243E59 #59243E #3E5924

tetradic

#243E59 #592459 #593F24 #245925

square

#243E59 #592459 #593F24 #245925

split-complementary

#243E59 #592524 #595924

monochromatic

#090F16 #12202D #243E59 #365C85 #477BB0

Accessibility & contrast

On white

11.00

#243E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#243E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E59

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E59	#FFFFFF	#000000	##FFFFFF
##243E59	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F5A

Deuteranopia (green-blind)

#2C3A58

Tritanopia (blue-blind)

#024447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243e59;
/* rgb */ color: rgb(36, 62, 89);
/* oklch */ color: oklch(35.6% 0.057 250.6);

Tailwind

colors: {
  custom: {
    50: '#637388',
    500: '#243e59',
    950: '#000000',
  },
}

SCSS

$custom: #243e59;
$custom-light: #637388;
$custom-dark: #000000;

JSON

{
  "hex": "#243e59",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 89
  },
  "hsl": {
    "h": 210.566,
    "s": 42.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.35609,
    "c": 0.05714,
    "h": 250.6
  },
  "luminance": 0.04542
}

Semantic roles & 50–950 ramp

primary

#243E59

secondary

#8D6D4C

accent

#9556D2

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05080B

muted

#7A7B7C

Preview Lab

Preview with #243E59

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

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