#121153#121153

#121153 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.115 H 273.9°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#121153
RGB	rgb(18, 17, 83)
HSL	hsl(241, 66%, 20%)
HSV	hsv(241, 80%, 33%)
CMYK	cmyk(78.3%, 79.5%, 0%, 67.5%)
CIE-LAB	lab(10.21, 25.30, -39.60)
CIE-LCH	lch(10.21, 47.00, 302.57°)
OKLab	oklab(23.67% 0.0078 -0.1145)
OKLCH	oklch(23.67% 0.115 273.9)
XYZ	xyz(2.0107, 1.1538, 8.2987)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121153 #525311

analogous

#113153 #121153 #331153

triadic

#121153 #531211 #115312

tetradic

#121153 #531131 #525311 #115333

square

#121153 #531131 #525311 #115333

split-complementary

#121153 #533311 #315311

monochromatic

#060519 #070720 #121153 #1D1B86 #2826B9

Accessibility & contrast

On white

17.06

#121153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#121153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121153

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121153	#FFFFFF	#000000	##FFFFFF
##121153	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	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: #121153;
/* rgb */ color: rgb(18, 17, 83);
/* oklch */ color: oklch(23.7% 0.115 273.9);

Tailwind

colors: {
  custom: {
    50: '#5c5084',
    500: '#121153',
    950: '#000000',
  },
}

SCSS

$custom: #121153;
$custom-light: #5c5084;
$custom-dark: #000000;

JSON

{
  "hex": "#121153",
  "rgb": {
    "r": 18,
    "g": 17,
    "b": 83
  },
  "hsl": {
    "h": 240.909,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.23672,
    "c": 0.11481,
    "h": 273.9
  },
  "luminance": 0.01154
}

Semantic roles & 50–950 ramp

primary

#121153

secondary

#8B8C34

accent

#E93FE6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121153

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

Preview Lab → · Contrast checker → · Palette generator →