#181668#181668

#181668 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.136 H 273.7°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#181668
RGB	rgb(24, 22, 104)
HSL	hsl(241, 65%, 25%)
HSV	hsv(241, 79%, 41%)
CMYK	cmyk(76.9%, 78.8%, 0%, 59.2%)
CIE-LAB	lab(14.21, 30.56, -47.06)
CIE-LCH	lch(14.21, 56.12, 303.00°)
OKLab	oklab(27.36% 0.0088 -0.1361)
OKLCH	oklch(27.36% 0.136 273.7)
XYZ	xyz(3.1615, 1.7672, 13.2685)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181668 #666816

analogous

#163D68 #181668 #411668

triadic

#181668 #681816 #166818

tetradic

#181668 #68163D #666816 #166841

square

#181668 #68163D #666816 #166841

split-complementary

#181668 #684116 #3D6816

monochromatic

#060519 #0C0B35 #181668 #24219B #2F2BCD

Accessibility & contrast

On white

15.52

#181668 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181668 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181668

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181668	#FFFFFF	#000000	##FFFFFF
##181668	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286A

Deuteranopia (green-blind)

#002067

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181668;
/* rgb */ color: rgb(24, 22, 104);
/* oklch */ color: oklch(27.4% 0.136 273.7);

Tailwind

colors: {
  custom: {
    50: '#645494',
    500: '#181668',
    950: '#000000',
  },
}

SCSS

$custom: #181668;
$custom-light: #645494;
$custom-dark: #000000;

JSON

{
  "hex": "#181668",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 104
  },
  "hsl": {
    "h": 241.463,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27356,
    "c": 0.13643,
    "h": 273.7
  },
  "luminance": 0.01767
}

Semantic roles & 50–950 ramp

primary

#181668

secondary

#9C9F3B

accent

#E840E4

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #181668

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

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