#121959#121959

#121959 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.8% C 0.114 H 270.9°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#121959
RGB	rgb(18, 25, 89)
HSL	hsl(234, 66%, 21%)
HSV	hsv(234, 80%, 35%)
CMYK	cmyk(79.8%, 71.9%, 0%, 65.1%)
CIE-LAB	lab(12.89, 22.15, -39.27)
CIE-LCH	lch(12.89, 45.09, 299.43°)
OKLab	oklab(25.8% 0.0018 -0.1136)
OKLCH	oklch(25.8% 0.114 270.9)
XYZ	xyz(2.3996, 1.5449, 9.6210)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121959 #595212

analogous

#123C59 #121959 #2E1259

triadic

#121959 #591219 #195912

tetradic

#121959 #59123C #595212 #12592E

square

#121959 #59123C #595212 #12592E

split-complementary

#121959 #592E12 #3C5912

monochromatic

#050719 #080B26 #121959 #1C278C #2736BF

Accessibility & contrast

On white

16.04

#121959 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121959 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121959

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121959	#FFFFFF	#000000	##FFFFFF
##121959	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255B

Deuteranopia (green-blind)

#001E58

Tritanopia (blue-blind)

#002A36

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121959;
/* rgb */ color: rgb(18, 25, 89);
/* oklch */ color: oklch(25.8% 0.114 270.9);

Tailwind

colors: {
  custom: {
    50: '#5d5589',
    500: '#121959',
    950: '#000000',
  },
}

SCSS

$custom: #121959;
$custom-light: #5d5589;
$custom-dark: #000000;

JSON

{
  "hex": "#121959",
  "rgb": {
    "r": 18,
    "g": 25,
    "b": 89
  },
  "hsl": {
    "h": 234.085,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25802,
    "c": 0.11359,
    "h": 270.9
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#121959

secondary

#928835

accent

#D83FE9

background

#F5F5F8

surface

#E9E8F0

border

#C5C4CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121959

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

Preview Lab → · Contrast checker → · Palette generator →