#10184E#10184E

#10184E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.099 H 270.5°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#10184E
RGB	rgb(16, 24, 78)
HSL	hsl(232, 66%, 18%)
HSV	hsv(232, 79%, 31%)
CMYK	cmyk(79.5%, 69.2%, 0%, 69.4%)
CIE-LAB	lab(11.37, 18.09, -34.28)
CIE-LCH	lch(11.37, 38.76, 297.82°)
OKLab	oklab(24.31% 0.0009 -0.099)
OKLCH	oklch(24.31% 0.099 270.5)
XYZ	xyz(1.9150, 1.3133, 7.3588)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10184E #4E4610

analogous

#10374E #10184E #27104E

triadic

#10184E #4E1018 #184E10

tetradic

#10184E #4E1037 #4E4610 #104E27

square

#10184E #4E1037 #4E4610 #104E27

split-complementary

#10184E #4E2710 #374E10

monochromatic

#050819 #06081B #10184E #1A2881 #2537B4

Accessibility & contrast

On white

16.63

#10184E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10184E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10184E

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10184E	#FFFFFF	#000000	##FFFFFF
##10184E	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10184e;
/* rgb */ color: rgb(16, 24, 78);
/* oklch */ color: oklch(24.3% 0.099 270.5);

Tailwind

colors: {
  custom: {
    50: '#595480',
    500: '#10184e',
    950: '#000000',
  },
}

SCSS

$custom: #10184e;
$custom-light: #595480;
$custom-dark: #000000;

JSON

{
  "hex": "#10184e",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 78
  },
  "hsl": {
    "h": 232.258,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.24309,
    "c": 0.09903,
    "h": 270.5
  },
  "luminance": 0.01313
}

Semantic roles & 50–950 ramp

primary

#10184E

secondary

#887D32

accent

#D33FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10184E

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

Preview Lab → · Contrast checker → · Palette generator →