#121855#121855

#121855 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.109 H 271.5°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#121855
RGB	rgb(18, 24, 85)
HSL	hsl(235, 65%, 20%)
HSV	hsv(235, 79%, 33%)
CMYK	cmyk(78.8%, 71.8%, 0%, 66.7%)
CIE-LAB	lab(12.21, 21.25, -37.69)
CIE-LCH	lch(12.21, 43.27, 299.41°)
OKLab	oklab(25.17% 0.0028 -0.109)
OKLCH	oklch(25.17% 0.109 271.5)
XYZ	xyz(2.2152, 1.4375, 8.7533)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121855 #554F12

analogous

#123955 #121855 #2D1255

triadic

#121855 #551218 #185512

tetradic

#121855 #551239 #554F12 #12552D

square

#121855 #551239 #554F12 #12552D

split-complementary

#121855 #552D12 #395512

monochromatic

#050719 #070A22 #121855 #1D2688 #2735BA

Accessibility & contrast

On white

16.31

#121855 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121855 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121855

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121855	#FFFFFF	#000000	##FFFFFF
##121855	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#001D54

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121855;
/* rgb */ color: rgb(18, 24, 85);
/* oklch */ color: oklch(25.2% 0.109 271.5);

Tailwind

colors: {
  custom: {
    50: '#5c5586',
    500: '#121855',
    950: '#000000',
  },
}

SCSS

$custom: #121855;
$custom-light: #5c5586;
$custom-dark: #000000;

JSON

{
  "hex": "#121855",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 85
  },
  "hsl": {
    "h": 234.627,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25175,
    "c": 0.109,
    "h": 271.5
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#121855

secondary

#8E8635

accent

#D940E8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #121855

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

Preview Lab → · Contrast checker → · Palette generator →