#12176F#12176F

#12176F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.146 H 269.9°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#12176F
RGB	rgb(18, 23, 111)
HSL	hsl(237, 72%, 25%)
HSV	hsv(237, 84%, 44%)
CMYK	cmyk(83.8%, 79.3%, 0%, 56.5%)
CIE-LAB	lab(14.89, 31.98, -50.53)
CIE-LCH	lch(14.89, 59.80, 302.33°)
OKLab	oklab(27.98% -0.0004 -0.1464)
OKLCH	oklch(27.98% 0.146 269.9)
XYZ	xyz(3.4241, 1.8887, 15.2199)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12176F #6F6A12

analogous

#12456F #12176F #3B126F

triadic

#12176F #6F1217 #176F12

tetradic

#12176F #6F1245 #6F6A12 #126F3B

square

#12176F #6F1245 #6F6A12 #126F3B

split-complementary

#12176F #6F3B12 #456F12

monochromatic

#04051A #090C3A #12176F #1B22A4 #232DD8

Accessibility & contrast

On white

15.24

#12176F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#12176F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12176F

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12176F	#FFFFFF	#000000	##FFFFFF
##12176F	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #12176f;
/* rgb */ color: rgb(18, 23, 111);
/* oklch */ color: oklch(28.0% 0.146 269.9);

Tailwind

colors: {
  custom: {
    50: '#645599',
    500: '#12176f',
    950: '#000000',
  },
}

SCSS

$custom: #12176f;
$custom-light: #645599;
$custom-dark: #000000;

JSON

{
  "hex": "#12176f",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 111
  },
  "hsl": {
    "h": 236.774,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27981,
    "c": 0.14638,
    "h": 269.9
  },
  "luminance": 0.01889
}

Semantic roles & 50–950 ramp

primary

#12176F

secondary

#A6A037

accent

#E539EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #12176F

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

Preview Lab → · Contrast checker → · Palette generator →