#10184F#10184F

#10184F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.101 H 270.5°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#10184F
RGB	rgb(16, 24, 79)
HSL	hsl(232, 66%, 19%)
HSV	hsv(232, 80%, 31%)
CMYK	cmyk(79.7%, 69.6%, 0%, 69%)
CIE-LAB	lab(11.47, 18.51, -34.80)
CIE-LCH	lch(11.47, 39.42, 298.00°)
OKLab	oklab(24.41% 0.0009 -0.1006)
OKLCH	oklch(24.41% 0.101 270.5)
XYZ	xyz(1.9511, 1.3277, 7.5491)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10184F #4F4710

analogous

#10374F #10184F #27104F

triadic

#10184F #4F1018 #184F10

tetradic

#10184F #4F1037 #4F4710 #104F27

square

#10184F #4F1037 #4F4710 #104F27

split-complementary

#10184F #4F2710 #374F10

monochromatic

#050819 #06091C #10184F #1A2782 #2537B5

Accessibility & contrast

On white

16.59

#10184F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#10184F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10184F

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10184F	#FFFFFF	#000000	##FFFFFF
##10184F	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#001C4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10184f;
/* rgb */ color: rgb(16, 24, 79);
/* oklch */ color: oklch(24.4% 0.101 270.5);

Tailwind

colors: {
  custom: {
    50: '#595481',
    500: '#10184f',
    950: '#000000',
  },
}

SCSS

$custom: #10184f;
$custom-light: #595481;
$custom-dark: #000000;

JSON

{
  "hex": "#10184f",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 79
  },
  "hsl": {
    "h": 232.381,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.24414,
    "c": 0.10056,
    "h": 270.5
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#10184F

secondary

#897E32

accent

#D43FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10184F

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

Preview Lab → · Contrast checker → · Palette generator →