#12174A#12174A

#12174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.094 H 272.7°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#12174A
RGB	rgb(18, 23, 74)
HSL	hsl(235, 61%, 18%)
HSV	hsv(235, 76%, 29%)
CMYK	cmyk(75.7%, 68.9%, 0%, 71%)
CIE-LAB	lab(10.82, 17.47, -32.41)
CIE-LCH	lch(10.82, 36.82, 298.33°)
OKLab	oklab(23.82% 0.0044 -0.0935)
OKLCH	oklch(23.82% 0.094 272.7)
XYZ	xyz(1.7915, 1.2356, 6.6213)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12174A #4A4512

analogous

#12334A #12174A #29124A

triadic

#12174A #4A1217 #174A12

tetradic

#12174A #4A1233 #4A4512 #124A29

square

#12174A #4A1233 #4A4512 #124A29

split-complementary

#12174A #4A2912 #334A12

monochromatic

#060819 #060819 #12174A #1E267B #2A36AC

Accessibility & contrast

On white

16.84

#12174A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#12174A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12174A

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12174A	#FFFFFF	#000000	##FFFFFF
##12174A	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #12174a;
/* rgb */ color: rgb(18, 23, 74);
/* oklch */ color: oklch(23.8% 0.094 272.7);

Tailwind

colors: {
  custom: {
    50: '#59537d',
    500: '#12174a',
    950: '#000000',
  },
}

SCSS

$custom: #12174a;
$custom-light: #59537d;
$custom-dark: #000000;

JSON

{
  "hex": "#12174a",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 74
  },
  "hsl": {
    "h": 234.643,
    "s": 60.87,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23817,
    "c": 0.09361,
    "h": 272.7
  },
  "luminance": 0.01236
}

Semantic roles & 50–950 ramp

primary

#12174A

secondary

#837C35

accent

#D644E4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12174A

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

Preview Lab → · Contrast checker → · Palette generator →