#12175D#12175D

#12175D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.122 H 271.2°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#12175D
RGB	rgb(18, 23, 93)
HSL	hsl(236, 68%, 22%)
HSV	hsv(236, 81%, 36%)
CMYK	cmyk(80.6%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(12.81, 25.14, -42.10)
CIE-LCH	lch(12.81, 49.03, 300.85°)
OKLab	oklab(25.87% 0.0025 -0.1218)
OKLCH	oklch(25.87% 0.122 271.2)
XYZ	xyz(2.5310, 1.5314, 10.5160)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12175D #5D5812

analogous

#123D5D #12175D #33125D

triadic

#12175D #5D1217 #175D12

tetradic

#12175D #5D123D #5D5812 #125D33

square

#12175D #5D123D #5D5812 #125D33

split-complementary

#12175D #5D3312 #3D5D12

monochromatic

#05061A #080A2A #12175D #1C2490 #2630C4

Accessibility & contrast

On white

16.07

#12175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#12175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12175D

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12175D	#FFFFFF	#000000	##FFFFFF
##12175D	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001E5C

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #12175d;
/* rgb */ color: rgb(18, 23, 93);
/* oklch */ color: oklch(25.9% 0.122 271.2);

Tailwind

colors: {
  custom: {
    50: '#5e548c',
    500: '#12175d',
    950: '#000000',
  },
}

SCSS

$custom: #12175d;
$custom-light: #5e548c;
$custom-dark: #000000;

JSON

{
  "hex": "#12175d",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 236,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25872,
    "c": 0.12186,
    "h": 271.2
  },
  "luminance": 0.01532
}

Semantic roles & 50–950 ramp

primary

#12175D

secondary

#958F35

accent

#DF3DEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12175D

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

Preview Lab → · Contrast checker → · Palette generator →