#121253#121253

#121253 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.8% C 0.114 H 273.6°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#121253
RGB	rgb(18, 18, 83)
HSL	hsl(240, 64%, 20%)
HSV	hsv(240, 78%, 33%)
CMYK	cmyk(78.3%, 78.3%, 0%, 67.5%)
CIE-LAB	lab(10.45, 24.64, -39.21)
CIE-LCH	lch(10.45, 46.31, 302.14°)
OKLab	oklab(23.84% 0.0072 -0.1134)
OKLCH	oklch(23.84% 0.114 273.6)
XYZ	xyz(2.0266, 1.1855, 8.3040)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121253 #535312

analogous

#123353 #121253 #331253

triadic

#121253 #531212 #125312

tetradic

#121253 #531233 #535312 #125333

square

#121253 #531233 #535312 #125333

split-complementary

#121253 #533312 #335312

monochromatic

#050519 #070721 #121253 #1D1D85 #2828B8

Accessibility & contrast

On white

16.97

#121253 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121253 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121253

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121253	#FFFFFF	#000000	##FFFFFF
##121253	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)

#001F55

Deuteranopia (green-blind)

#001952

Tritanopia (blue-blind)

#002431

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121253;
/* rgb */ color: rgb(18, 18, 83);
/* oklch */ color: oklch(23.8% 0.114 273.6);

Tailwind

colors: {
  custom: {
    50: '#5c5084',
    500: '#121253',
    950: '#000000',
  },
}

SCSS

$custom: #121253;
$custom-light: #5c5084;
$custom-dark: #000000;

JSON

{
  "hex": "#121253",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 83
  },
  "hsl": {
    "h": 240,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.23842,
    "c": 0.11364,
    "h": 273.6
  },
  "luminance": 0.01186
}

Semantic roles & 50–950 ramp

primary

#121253

secondary

#8C8C35

accent

#E740E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121253

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

Preview Lab → · Contrast checker → · Palette generator →