#12175E#12175E

#12175E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.0% C 0.123 H 271.1°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#12175E
RGB	rgb(18, 23, 94)
HSL	hsl(236, 68%, 22%)
HSV	hsv(236, 81%, 37%)
CMYK	cmyk(80.9%, 75.5%, 0%, 63.1%)
CIE-LAB	lab(12.92, 25.53, -42.58)
CIE-LCH	lch(12.92, 49.65, 300.95°)
OKLab	oklab(25.99% 0.0024 -0.1232)
OKLCH	oklch(25.99% 0.123 271.1)
XYZ	xyz(2.5755, 1.5493, 10.7508)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12175E #5E5912

analogous

#123D5E #12175E #33125E

triadic

#12175E #5E1217 #175E12

tetradic

#12175E #5E123D #5E5912 #125E33

square

#12175E #5E123D #5E5912 #125E33

split-complementary

#12175E #5E3312 #3D5E12

monochromatic

#05061A #080A2B #12175E #1C2491 #2630C5

Accessibility & contrast

On white

16.03

#12175E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#12175E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12175E

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12175E	#FFFFFF	#000000	##FFFFFF
##12175E	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001E5D

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #12175e;
/* rgb */ color: rgb(18, 23, 94);
/* oklch */ color: oklch(26.0% 0.123 271.1);

Tailwind

colors: {
  custom: {
    50: '#5f548d',
    500: '#12175e',
    950: '#000000',
  },
}

SCSS

$custom: #12175e;
$custom-light: #5f548d;
$custom-dark: #000000;

JSON

{
  "hex": "#12175e",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 94
  },
  "hsl": {
    "h": 236.053,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25986,
    "c": 0.12327,
    "h": 271.1
  },
  "luminance": 0.0155
}

Semantic roles & 50–950 ramp

primary

#12175E

secondary

#969035

accent

#DF3DEB

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #12175E

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

Preview Lab → · Contrast checker → · Palette generator →