#121158#121158

#121158 is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.3% C 0.122 H 273.2°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#121158
RGB	rgb(18, 17, 88)
HSL	hsl(241, 68%, 21%)
HSV	hsv(241, 81%, 35%)
CMYK	cmyk(79.5%, 80.7%, 0%, 65.5%)
CIE-LAB	lab(10.80, 27.19, -42.03)
CIE-LCH	lch(10.80, 50.06, 302.90°)
OKLab	oklab(24.27% 0.0067 -0.1216)
OKLCH	oklch(24.27% 0.122 273.2)
XYZ	xyz(2.2108, 1.2338, 9.3523)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121158 #575811

analogous

#113358 #121158 #351158

triadic

#121158 #581211 #115812

tetradic

#121158 #581133 #575811 #115835

square

#121158 #581133 #575811 #115835

split-complementary

#121158 #583511 #335811

monochromatic

#05051A #080725 #121158 #1C1B8B #2725BF

Accessibility & contrast

On white

16.84

#121158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121158

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121158	#FFFFFF	#000000	##FFFFFF
##121158	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205A

Deuteranopia (green-blind)

#001A57

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121158;
/* rgb */ color: rgb(18, 17, 88);
/* oklch */ color: oklch(24.3% 0.122 273.2);

Tailwind

colors: {
  custom: {
    50: '#5e5088',
    500: '#121158',
    950: '#000000',
  },
}

SCSS

$custom: #121158;
$custom-light: #5e5088;
$custom-dark: #000000;

JSON

{
  "hex": "#121158",
  "rgb": {
    "r": 18,
    "g": 17,
    "b": 88
  },
  "hsl": {
    "h": 240.845,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24269,
    "c": 0.1218,
    "h": 273.2
  },
  "luminance": 0.01234
}

Semantic roles & 50–950 ramp

primary

#121158

secondary

#909134

accent

#EA3DE8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121158

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

Preview Lab → · Contrast checker → · Palette generator →