#10184C#10184C

#10184C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.096 H 270.6°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#10184C
RGB	rgb(16, 24, 76)
HSL	hsl(232, 65%, 18%)
HSV	hsv(232, 79%, 30%)
CMYK	cmyk(78.9%, 68.4%, 0%, 70.2%)
CIE-LAB	lab(11.17, 17.25, -33.23)
CIE-LCH	lch(11.17, 37.44, 297.44°)
OKLab	oklab(24.1% 0.001 -0.0959)
OKLCH	oklch(24.1% 0.096 270.6)
XYZ	xyz(1.8444, 1.2850, 6.9869)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10184C #4C4410

analogous

#10364C #10184C #26104C

triadic

#10184C #4C1018 #184C10

tetradic

#10184C #4C1036 #4C4410 #104C26

square

#10184C #4C1036 #4C4410 #104C26

split-complementary

#10184C #4C2610 #364C10

monochromatic

#050819 #050819 #10184C #1B287F #2538B1

Accessibility & contrast

On white

16.71

#10184C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10184C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10184C

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10184C	#FFFFFF	#000000	##FFFFFF
##10184C	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10184c;
/* rgb */ color: rgb(16, 24, 76);
/* oklch */ color: oklch(24.1% 0.096 270.6);

Tailwind

colors: {
  custom: {
    50: '#58547f',
    500: '#10184c',
    950: '#000000',
  },
}

SCSS

$custom: #10184c;
$custom-light: #58547f;
$custom-dark: #000000;

JSON

{
  "hex": "#10184c",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 76
  },
  "hsl": {
    "h": 232,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24102,
    "c": 0.09595,
    "h": 270.6
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary

#10184C

secondary

#867B32

accent

#D240E8

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10184C

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

Preview Lab → · Contrast checker → · Palette generator →