#121358#121358

#121358 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.120 H 272.7°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#121358
RGB	rgb(18, 19, 88)
HSL	hsl(239, 66%, 21%)
HSV	hsv(239, 80%, 35%)
CMYK	cmyk(79.5%, 78.4%, 0%, 65.5%)
CIE-LAB	lab(11.27, 25.89, -41.27)
CIE-LCH	lch(11.27, 48.72, 302.11°)
OKLab	oklab(24.6% 0.0056 -0.1194)
OKLCH	oklch(24.6% 0.12 272.7)
XYZ	xyz(2.2432, 1.2987, 9.3631)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121358 #585712

analogous

#123658 #121358 #341258

triadic

#121358 #581213 #135812

tetradic

#121358 #581236 #585712 #125834

square

#121358 #581236 #585712 #125834

split-complementary

#121358 #583412 #365812

monochromatic

#050519 #080825 #121358 #1C1E8B #2729BE

Accessibility & contrast

On white

16.67

#121358 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121358 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121358

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121358	#FFFFFF	#000000	##FFFFFF
##121358	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121358;
/* rgb */ color: rgb(18, 19, 88);
/* oklch */ color: oklch(24.6% 0.120 272.7);

Tailwind

colors: {
  custom: {
    50: '#5d5188',
    500: '#121358',
    950: '#000000',
  },
}

SCSS

$custom: #121358;
$custom-light: #5d5188;
$custom-dark: #000000;

JSON

{
  "hex": "#121358",
  "rgb": {
    "r": 18,
    "g": 19,
    "b": 88
  },
  "hsl": {
    "h": 239.143,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24598,
    "c": 0.11953,
    "h": 272.7
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#121358

secondary

#918F35

accent

#E73FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121358

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

Preview Lab → · Contrast checker → · Palette generator →