#181A69#181A69

#181A69 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.1% C 0.133 H 272.7°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#181A69
RGB	rgb(24, 26, 105)
HSL	hsl(239, 63%, 25%)
HSV	hsv(239, 77%, 41%)
CMYK	cmyk(77.1%, 75.2%, 0%, 58.8%)
CIE-LAB	lab(15.24, 28.39, -46.03)
CIE-LCH	lch(15.24, 54.09, 301.67°)
OKLab	oklab(28.12% 0.0064 -0.1332)
OKLCH	oklch(28.12% 0.133 272.7)
XYZ	xyz(3.2950, 1.9526, 13.5651)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A69 #696718

analogous

#184269 #181A69 #3F1869

triadic

#181A69 #69181A #1A6918

tetradic

#181A69 #691842 #696718 #18693F

square

#181A69 #691842 #696718 #18693F

split-complementary

#181A69 #693F18 #426918

monochromatic

#060619 #0D0E37 #181A69 #23269B #2F33CD

Accessibility & contrast

On white

15.10

#181A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A69

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A69	#FFFFFF	#000000	##FFFFFF
##181A69	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181a69;
/* rgb */ color: rgb(24, 26, 105);
/* oklch */ color: oklch(28.1% 0.133 272.7);

Tailwind

colors: {
  custom: {
    50: '#635795',
    500: '#181a69',
    950: '#000000',
  },
}

SCSS

$custom: #181a69;
$custom-light: #635795;
$custom-dark: #000000;

JSON

{
  "hex": "#181a69",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 105
  },
  "hsl": {
    "h": 238.519,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28117,
    "c": 0.13332,
    "h": 272.7
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#181A69

secondary

#9F9D3E

accent

#E242E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181A69

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

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