#121359#121359

#121359 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.121 H 272.6°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#121359
RGB	rgb(18, 19, 89)
HSL	hsl(239, 66%, 21%)
HSV	hsv(239, 80%, 35%)
CMYK	cmyk(79.8%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(11.38, 26.28, -41.75)
CIE-LCH	lch(11.38, 49.33, 302.18°)
OKLab	oklab(24.72% 0.0055 -0.1208)
OKLCH	oklch(24.72% 0.121 272.6)
XYZ	xyz(2.2849, 1.3154, 9.5827)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121359 #595812

analogous

#123659 #121359 #341259

triadic

#121359 #591213 #135912

tetradic

#121359 #591236 #595812 #125934

square

#121359 #591236 #595812 #125934

split-complementary

#121359 #593412 #365912

monochromatic

#050519 #080826 #121359 #1C1E8C #2729BF

Accessibility & contrast

On white

16.62

#121359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121359

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121359	#FFFFFF	#000000	##FFFFFF
##121359	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001B58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121359;
/* rgb */ color: rgb(18, 19, 89);
/* oklch */ color: oklch(24.7% 0.121 272.6);

Tailwind

colors: {
  custom: {
    50: '#5e5189',
    500: '#121359',
    950: '#000000',
  },
}

SCSS

$custom: #121359;
$custom-light: #5e5189;
$custom-dark: #000000;

JSON

{
  "hex": "#121359",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 239.155,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24715,
    "c": 0.12094,
    "h": 272.6
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#121359

secondary

#929035

accent

#E73FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121359

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

Preview Lab → · Contrast checker → · Palette generator →