#10184D#10184D

#10184D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.097 H 270.6°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#10184D
RGB	rgb(16, 24, 77)
HSL	hsl(232, 66%, 18%)
HSV	hsv(232, 79%, 30%)
CMYK	cmyk(79.2%, 68.8%, 0%, 69.8%)
CIE-LAB	lab(11.27, 17.67, -33.75)
CIE-LCH	lch(11.27, 38.10, 297.63°)
OKLab	oklab(24.21% 0.001 -0.0975)
OKLCH	oklch(24.21% 0.097 270.6)
XYZ	xyz(1.8794, 1.2991, 7.1714)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10184D #4D4510

analogous

#10364D #10184D #26104D

triadic

#10184D #4D1018 #184D10

tetradic

#10184D #4D1036 #4D4510 #104D26

square

#10184D #4D1036 #4D4510 #104D26

split-complementary

#10184D #4D2610 #364D10

monochromatic

#050819 #05081A #10184D #1B2880 #2538B2

Accessibility & contrast

On white

16.67

#10184D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10184D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10184D

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10184D	#FFFFFF	#000000	##FFFFFF
##10184D	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214F

Deuteranopia (green-blind)

#001B4C

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10184d;
/* rgb */ color: rgb(16, 24, 77);
/* oklch */ color: oklch(24.2% 0.097 270.6);

Tailwind

colors: {
  custom: {
    50: '#59547f',
    500: '#10184d',
    950: '#000000',
  },
}

SCSS

$custom: #10184d;
$custom-light: #59547f;
$custom-dark: #000000;

JSON

{
  "hex": "#10184d",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 77
  },
  "hsl": {
    "h": 232.131,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24206,
    "c": 0.09749,
    "h": 270.6
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#10184D

secondary

#877C32

accent

#D23FE9

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #10184D

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

Preview Lab → · Contrast checker → · Palette generator →