#12174C#12174C

#12174C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.097 H 272.6°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#12174C
RGB	rgb(18, 23, 76)
HSL	hsl(235, 62%, 18%)
HSV	hsv(235, 76%, 30%)
CMYK	cmyk(76.3%, 69.7%, 0%, 70.2%)
CIE-LAB	lab(11.01, 18.30, -33.47)
CIE-LCH	lch(11.01, 38.15, 298.66°)
OKLab	oklab(24.02% 0.0043 -0.0966)
OKLCH	oklch(24.02% 0.097 272.6)
XYZ	xyz(1.8599, 1.2630, 6.9818)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12174C #4C4712

analogous

#12344C #12174C #2A124C

triadic

#12174C #4C1217 #174C12

tetradic

#12174C #4C1234 #4C4712 #124C2A

square

#12174C #4C1234 #4C4712 #124C2A

split-complementary

#12174C #4C2A12 #344C12

monochromatic

#060719 #06081B #12174C #1E267D #2935AF

Accessibility & contrast

On white

16.77

#12174C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#12174C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12174C

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12174C	#FFFFFF	#000000	##FFFFFF
##12174C	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #12174c;
/* rgb */ color: rgb(18, 23, 76);
/* oklch */ color: oklch(24.0% 0.097 272.6);

Tailwind

colors: {
  custom: {
    50: '#59547f',
    500: '#12174c',
    950: '#000000',
  },
}

SCSS

$custom: #12174c;
$custom-light: #59547f;
$custom-dark: #000000;

JSON

{
  "hex": "#12174c",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 76
  },
  "hsl": {
    "h": 234.828,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.24023,
    "c": 0.09672,
    "h": 272.6
  },
  "luminance": 0.01263
}

Semantic roles & 50–950 ramp

primary

#12174C

secondary

#857E35

accent

#D743E5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #12174C

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

Preview Lab → · Contrast checker → · Palette generator →