#121351#121351

#121351 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.110 H 273.6°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#121351
RGB	rgb(18, 19, 81)
HSL	hsl(239, 64%, 19%)
HSV	hsv(239, 78%, 32%)
CMYK	cmyk(77.8%, 76.5%, 0%, 68.2%)
CIE-LAB	lab(10.47, 23.18, -37.81)
CIE-LCH	lch(10.47, 44.35, 301.51°)
OKLab	oklab(23.79% 0.0069 -0.1093)
OKLCH	oklch(23.79% 0.11 273.6)
XYZ	xyz(1.9670, 1.1882, 7.9087)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121351 #515012

analogous

#123351 #121351 #311251

triadic

#121351 #511213 #135112

tetradic

#121351 #511233 #515012 #125131

square

#121351 #511233 #515012 #125131

split-complementary

#121351 #513112 #335112

monochromatic

#060619 #07071F #121351 #1D1F83 #282AB5

Accessibility & contrast

On white

16.97

#121351 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121351 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121351

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121351	#FFFFFF	#000000	##FFFFFF
##121351	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001950

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121351;
/* rgb */ color: rgb(18, 19, 81);
/* oklch */ color: oklch(23.8% 0.110 273.6);

Tailwind

colors: {
  custom: {
    50: '#5b5183',
    500: '#121351',
    950: '#000000',
  },
}

SCSS

$custom: #121351;
$custom-light: #5b5183;
$custom-dark: #000000;

JSON

{
  "hex": "#121351",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 81
  },
  "hsl": {
    "h": 239.048,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.23788,
    "c": 0.10954,
    "h": 273.6
  },
  "luminance": 0.01188
}

Semantic roles & 50–950 ramp

primary

#121351

secondary

#8A8935

accent

#E441E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #121351

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

Preview Lab → · Contrast checker → · Palette generator →