#121759#121759

#121759 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.116 H 271.5°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#121759
RGB	rgb(18, 23, 89)
HSL	hsl(236, 66%, 21%)
HSV	hsv(236, 80%, 35%)
CMYK	cmyk(79.8%, 74.2%, 0%, 65.1%)
CIE-LAB	lab(12.37, 23.56, -40.13)
CIE-LCH	lch(12.37, 46.54, 300.42°)
OKLab	oklab(25.42% 0.0031 -0.1161)
OKLCH	oklch(25.42% 0.116 271.5)
XYZ	xyz(2.3584, 1.4624, 9.6072)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121759 #595412

analogous

#123A59 #121759 #301259

triadic

#121759 #591217 #175912

tetradic

#121759 #59123A #595412 #125930

square

#121759 #59123A #595412 #125930

split-complementary

#121759 #593012 #3A5912

monochromatic

#050719 #080A26 #121759 #1C248C #2731BF

Accessibility & contrast

On white

16.25

#121759 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121759 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121759

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121759	#FFFFFF	#000000	##FFFFFF
##121759	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245B

Deuteranopia (green-blind)

#001D58

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121759;
/* rgb */ color: rgb(18, 23, 89);
/* oklch */ color: oklch(25.4% 0.116 271.5);

Tailwind

colors: {
  custom: {
    50: '#5d5489',
    500: '#121759',
    950: '#000000',
  },
}

SCSS

$custom: #121759;
$custom-light: #5d5489;
$custom-dark: #000000;

JSON

{
  "hex": "#121759",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 89
  },
  "hsl": {
    "h": 235.775,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25422,
    "c": 0.11614,
    "h": 271.5
  },
  "luminance": 0.01463
}

Semantic roles & 50–950 ramp

primary

#121759

secondary

#928B35

accent

#DD3FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121759

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

Preview Lab → · Contrast checker → · Palette generator →