#12175A#12175A

#12175A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.5% C 0.118 H 271.4°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#12175A
RGB	rgb(18, 23, 90)
HSL	hsl(236, 67%, 21%)
HSV	hsv(236, 80%, 35%)
CMYK	cmyk(80%, 74.4%, 0%, 64.7%)
CIE-LAB	lab(12.48, 23.96, -40.62)
CIE-LCH	lch(12.48, 47.16, 300.53°)
OKLab	oklab(25.53% 0.003 -0.1175)
OKLCH	oklch(25.53% 0.118 271.4)
XYZ	xyz(2.4007, 1.4793, 9.8299)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12175A #5A5512

analogous

#123B5A #12175A #31125A

triadic

#12175A #5A1217 #175A12

tetradic

#12175A #5A123B #5A5512 #125A31

square

#12175A #5A123B #5A5512 #125A31

split-complementary

#12175A #5A3112 #3B5A12

monochromatic

#05071A #080A27 #12175A #1C248D #2631C0

Accessibility & contrast

On white

16.20

#12175A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#12175A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12175A

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12175A	#FFFFFF	#000000	##FFFFFF
##12175A	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #12175a;
/* rgb */ color: rgb(18, 23, 90);
/* oklch */ color: oklch(25.5% 0.118 271.4);

Tailwind

colors: {
  custom: {
    50: '#5d5489',
    500: '#12175a',
    950: '#000000',
  },
}

SCSS

$custom: #12175a;
$custom-light: #5d5489;
$custom-dark: #000000;

JSON

{
  "hex": "#12175a",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 90
  },
  "hsl": {
    "h": 235.833,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25534,
    "c": 0.11758,
    "h": 271.4
  },
  "luminance": 0.0148
}

Semantic roles & 50–950 ramp

primary

#12175A

secondary

#938C35

accent

#DE3EEA

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #12175A

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

Preview Lab → · Contrast checker → · Palette generator →