#121057#121057

#121057 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.0% C 0.121 H 273.5°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#121057
RGB	rgb(18, 16, 87)
HSL	hsl(242, 69%, 20%)
HSV	hsv(242, 82%, 34%)
CMYK	cmyk(79.3%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(10.46, 27.45, -41.92)
CIE-LCH	lch(10.46, 50.10, 303.22°)
OKLab	oklab(23.99% 0.0075 -0.1213)
OKLCH	oklch(23.99% 0.122 273.5)
XYZ	xyz(2.1545, 1.1871, 9.1306)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121057 #555710

analogous

#103157 #121057 #351057

triadic

#121057 #571210 #105712

tetradic

#121057 #571031 #555710 #105735

square

#121057 #571031 #555710 #105735

split-complementary

#121057 #573510 #315710

monochromatic

#05051A #070623 #121057 #1D1A8B #2723BE

Accessibility & contrast

On white

16.97

#121057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121057

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121057	#FFFFFF	#000000	##FFFFFF
##121057	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)

#002059

Deuteranopia (green-blind)

#001956

Tritanopia (blue-blind)

#002533

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121057;
/* rgb */ color: rgb(18, 16, 87);
/* oklch */ color: oklch(24.0% 0.121 273.5);

Tailwind

colors: {
  custom: {
    50: '#5d4f87',
    500: '#121057',
    950: '#000000',
  },
}

SCSS

$custom: #121057;
$custom-light: #5d4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#121057",
  "rgb": {
    "r": 18,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 241.69,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.23991,
    "c": 0.1215,
    "h": 273.5
  },
  "luminance": 0.01187
}

Semantic roles & 50–950 ramp

primary

#121057

secondary

#8E9032

accent

#EC3CE7

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121057

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

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