#121255#121255

#121255 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.116 H 273.3°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#121255
RGB	rgb(18, 18, 85)
HSL	hsl(240, 65%, 20%)
HSV	hsv(240, 79%, 33%)
CMYK	cmyk(78.8%, 78.8%, 0%, 66.7%)
CIE-LAB	lab(10.68, 25.40, -40.19)
CIE-LCH	lch(10.68, 47.55, 302.29°)
OKLab	oklab(24.08% 0.0068 -0.1163)
OKLCH	oklch(24.08% 0.116 273.3)
XYZ	xyz(2.1049, 1.2169, 8.7165)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121255 #555512

analogous

#123355 #121255 #331255

triadic

#121255 #551212 #125512

tetradic

#121255 #551233 #555512 #125533

square

#121255 #551233 #555512 #125533

split-complementary

#121255 #553312 #335512

monochromatic

#050519 #070722 #121255 #1D1D88 #2727BA

Accessibility & contrast

On white

16.89

#121255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121255

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121255	#FFFFFF	#000000	##FFFFFF
##121255	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001A54

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121255;
/* rgb */ color: rgb(18, 18, 85);
/* oklch */ color: oklch(24.1% 0.116 273.3);

Tailwind

colors: {
  custom: {
    50: '#5d5086',
    500: '#121255',
    950: '#000000',
  },
}

SCSS

$custom: #121255;
$custom-light: #5d5086;
$custom-dark: #000000;

JSON

{
  "hex": "#121255",
  "rgb": {
    "r": 18,
    "g": 18,
    "b": 85
  },
  "hsl": {
    "h": 240,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24076,
    "c": 0.11648,
    "h": 273.3
  },
  "luminance": 0.01217
}

Semantic roles & 50–950 ramp

primary

#121255

secondary

#8E8E35

accent

#E840E8

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #121255

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

Preview Lab → · Contrast checker → · Palette generator →