#12174F#12174F

#12174F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.101 H 272.3°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#12174F
RGB	rgb(18, 23, 79)
HSL	hsl(235, 63%, 19%)
HSV	hsv(235, 77%, 31%)
CMYK	cmyk(77.2%, 70.9%, 0%, 69%)
CIE-LAB	lab(11.32, 19.53, -35.05)
CIE-LCH	lch(11.32, 40.12, 299.13°)
OKLab	oklab(24.34% 0.0041 -0.1012)
OKLCH	oklch(24.34% 0.101 272.3)
XYZ	xyz(1.9667, 1.3057, 7.5440)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12174F #4F4A12

analogous

#12364F #12174F #2C124F

triadic

#12174F #4F1217 #174F12

tetradic

#12174F #4F1236 #4F4A12 #124F2C

square

#12174F #4F1236 #4F4A12 #124F2C

split-complementary

#12174F #4F2C12 #364F12

monochromatic

#060719 #07081D #12174F #1D2681 #2934B3

Accessibility & contrast

On white

16.65

#12174F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#12174F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12174F

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12174F	#FFFFFF	#000000	##FFFFFF
##12174F	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#001B4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #12174f;
/* rgb */ color: rgb(18, 23, 79);
/* oklch */ color: oklch(24.3% 0.101 272.3);

Tailwind

colors: {
  custom: {
    50: '#5a5481',
    500: '#12174f',
    950: '#000000',
  },
}

SCSS

$custom: #12174f;
$custom-light: #5a5481;
$custom-dark: #000000;

JSON

{
  "hex": "#12174f",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 79
  },
  "hsl": {
    "h": 235.082,
    "s": 62.887,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24336,
    "c": 0.10132,
    "h": 272.3
  },
  "luminance": 0.01306
}

Semantic roles & 50–950 ramp

primary

#12174F

secondary

#888135

accent

#D842E6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12174F

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

Preview Lab → · Contrast checker → · Palette generator →