#121258#121258

#121258 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.4% C 0.121 H 272.9°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#121258
RGB	rgb(18, 18, 88)
HSL	hsl(240, 66%, 21%)
HSV	hsv(240, 80%, 35%)
CMYK	cmyk(79.5%, 79.5%, 0%, 65.5%)
CIE-LAB	lab(11.03, 26.55, -41.65)
CIE-LCH	lch(11.03, 49.39, 302.51°)
OKLab	oklab(24.43% 0.0062 -0.1205)
OKLCH	oklch(24.43% 0.121 272.9)
XYZ	xyz(2.2266, 1.2656, 9.3576)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121258 #585812

analogous

#123558 #121258 #351258

triadic

#121258 #581212 #125812

tetradic

#121258 #581235 #585812 #125835

square

#121258 #581235 #585812 #125835

split-complementary

#121258 #583512 #355812

monochromatic

#050519 #080825 #121258 #1C1C8B #2727BE

Accessibility & contrast

On white

16.76

#121258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121258

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121258	#FFFFFF	#000000	##FFFFFF
##121258	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215A

Deuteranopia (green-blind)

#001A57

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121258;
/* rgb */ color: rgb(18, 18, 88);
/* oklch */ color: oklch(24.4% 0.121 272.9);

Tailwind

colors: {
  custom: {
    50: '#5d5088',
    500: '#121258',
    950: '#000000',
  },
}

SCSS

$custom: #121258;
$custom-light: #5d5088;
$custom-dark: #000000;

JSON

{
  "hex": "#121258",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 88
  },
  "hsl": {
    "h": 240,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24431,
    "c": 0.12068,
    "h": 272.9
  },
  "luminance": 0.01266
}

Semantic roles & 50–950 ramp

primary

#121258

secondary

#919135

accent

#E93FE9

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #121258

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

Preview Lab → · Contrast checker → · Palette generator →