#12175F#12175F

#12175F is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.1% C 0.125 H 271.0°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).

Color values

HEX	#12175F
RGB	rgb(18, 23, 95)
HSL	hsl(236, 68%, 22%)
HSV	hsv(236, 81%, 37%)
CMYK	cmyk(81.1%, 75.8%, 0%, 62.7%)
CIE-LAB	lab(13.03, 25.93, -43.07)
CIE-LCH	lch(13.03, 50.27, 301.05°)
OKLab	oklab(26.1% 0.0023 -0.1247)
OKLCH	oklch(26.1% 0.125 271)
XYZ	xyz(2.6207, 1.5673, 10.9887)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12175F #5F5A12

analogous

#123E5F #12175F #34125F

triadic

#12175F #5F1217 #175F12

tetradic

#12175F #5F123E #5F5A12 #125F34

square

#12175F #5F123E #5F5A12 #125F34

split-complementary

#12175F #5F3412 #3E5F12

monochromatic

#05061A #080B2C #12175F #1C2392 #2530C6

Accessibility & contrast

On white

15.99

#12175F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#12175F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12175F

15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12175F	#FFFFFF	#000000	##FFFFFF
##12175F	1.00	15.99	1.31	15.99
#FFFFFF	15.99	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002561

Deuteranopia (green-blind)

#001E5E

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #12175f;
/* rgb */ color: rgb(18, 23, 95);
/* oklch */ color: oklch(26.1% 0.125 271.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12175f",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 95
  },
  "hsl": {
    "h": 236.104,
    "s": 68.142,
    "l": 22.157
  },
  "oklch": {
    "l": 0.261,
    "c": 0.12468,
    "h": 271
  },
  "luminance": 0.01568
}

Semantic roles & 50–950 ramp

primary

#12175F

secondary

#979136

accent

#E03DEB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #12175F

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

Preview Lab → · Contrast checker → · Palette generator →