#121853#121853

#121853 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.106 H 271.6°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#121853
RGB	rgb(18, 24, 83)
HSL	hsl(234, 64%, 20%)
HSV	hsv(234, 78%, 33%)
CMYK	cmyk(78.3%, 71.1%, 0%, 67.5%)
CIE-LAB	lab(12.00, 20.43, -36.67)
CIE-LCH	lch(12.00, 41.98, 299.13°)
OKLab	oklab(24.96% 0.003 -0.106)
OKLCH	oklch(24.96% 0.106 271.6)
XYZ	xyz(2.1369, 1.4062, 8.3407)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121853 #534D12

analogous

#123853 #121853 #2D1253

triadic

#121853 #531218 #185312

tetradic

#121853 #531238 #534D12 #12532D

square

#121853 #531238 #534D12 #12532D

split-complementary

#121853 #532D12 #385312

monochromatic

#050719 #070921 #121853 #1D2785 #2835B8

Accessibility & contrast

On white

16.39

#121853 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121853 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121853

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121853	#FFFFFF	#000000	##FFFFFF
##121853	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002355

Deuteranopia (green-blind)

#001C52

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121853;
/* rgb */ color: rgb(18, 24, 83);
/* oklch */ color: oklch(25.0% 0.106 271.6);

Tailwind

colors: {
  custom: {
    50: '#5b5484',
    500: '#121853',
    950: '#000000',
  },
}

SCSS

$custom: #121853;
$custom-light: #5b5484;
$custom-dark: #000000;

JSON

{
  "hex": "#121853",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 83
  },
  "hsl": {
    "h": 234.462,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24961,
    "c": 0.10601,
    "h": 271.6
  },
  "luminance": 0.01406
}

Semantic roles & 50–950 ramp

primary

#121853

secondary

#8C8435

accent

#D840E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121853

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

Preview Lab → · Contrast checker → · Palette generator →