#243C61#243C61

#243C61 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.071 H 258.8°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#243C61
RGB	rgb(36, 60, 97)
HSL	hsl(216, 46%, 26%)
HSV	hsv(216, 63%, 38%)
CMYK	cmyk(62.9%, 38.1%, 0%, 62%)
CIE-LAB	lab(25.17, 3.44, -24.73)
CIE-LCH	lch(25.17, 24.97, 277.93°)
OKLab	oklab(35.58% -0.0139 -0.07)
OKLCH	oklch(35.58% 0.071 258.8)
XYZ	xyz(4.5003, 4.4695, 11.9325)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C61 #614924

analogous

#245A61 #243C61 #2A2461

triadic

#243C61 #61243C #3C6124

tetradic

#243C61 #61245A #614924 #24612A

square

#243C61 #61245A #614924 #24612A

split-complementary

#243C61 #612A24 #5A6124

monochromatic

#080E16 #132034 #243C61 #35588E #4573BA

Accessibility & contrast

On white

11.09

#243C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#243C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C61

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C61	#FFFFFF	#000000	##FFFFFF
##243C61	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3F63

Deuteranopia (green-blind)

#253960

Tritanopia (blue-blind)

#00444A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243c61;
/* rgb */ color: rgb(36, 60, 97);
/* oklch */ color: oklch(35.6% 0.071 258.8);

Tailwind

colors: {
  custom: {
    50: '#65718e',
    500: '#243c61',
    950: '#000000',
  },
}

SCSS

$custom: #243c61;
$custom-light: #65718e;
$custom-dark: #000000;

JSON

{
  "hex": "#243c61",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 97
  },
  "hsl": {
    "h": 216.393,
    "s": 45.865,
    "l": 26.078
  },
  "oklch": {
    "l": 0.3558,
    "c": 0.07138,
    "h": 258.8
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#243C61

secondary

#94784C

accent

#A252D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #243C61

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

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