#10184A#10184A

#10184A is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.093 H 270.7°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#10184A
RGB	rgb(16, 24, 74)
HSL	hsl(232, 64%, 18%)
HSV	hsv(232, 78%, 29%)
CMYK	cmyk(78.4%, 67.6%, 0%, 71%)
CIE-LAB	lab(10.98, 16.40, -32.16)
CIE-LCH	lch(10.98, 36.10, 297.02°)
OKLab	oklab(23.9% 0.0011 -0.0928)
OKLCH	oklch(23.9% 0.093 270.7)
XYZ	xyz(1.7759, 1.2577, 6.6264)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10184A #4A4210

analogous

#10354A #10184A #25104A

triadic

#10184A #4A1018 #184A10

tetradic

#10184A #4A1035 #4A4210 #104A25

square

#10184A #4A1035 #4A4210 #104A25

split-complementary

#10184A #4A2510 #354A10

monochromatic

#050819 #050819 #10184A #1B287C #2639AF

Accessibility & contrast

On white

16.78

#10184A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10184A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10184A

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10184A	#FFFFFF	#000000	##FFFFFF
##10184A	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#00252E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10184a;
/* rgb */ color: rgb(16, 24, 74);
/* oklch */ color: oklch(23.9% 0.093 270.7);

Tailwind

colors: {
  custom: {
    50: '#58547d',
    500: '#10184a',
    950: '#000000',
  },
}

SCSS

$custom: #10184a;
$custom-light: #58547d;
$custom-dark: #000000;

JSON

{
  "hex": "#10184a",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 74
  },
  "hsl": {
    "h": 231.724,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23898,
    "c": 0.09282,
    "h": 270.7
  },
  "luminance": 0.01258
}

Semantic roles & 50–950 ramp

primary

#10184A

secondary

#847932

accent

#D040E7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10184A

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

Preview Lab → · Contrast checker → · Palette generator →