#121D47#121D47

#121D47 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.9% C 0.080 H 268.9°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#121D47
RGB	rgb(18, 29, 71)
HSL	hsl(228, 60%, 17%)
HSV	hsv(228, 75%, 28%)
CMYK	cmyk(74.6%, 59.2%, 0%, 72.2%)
CIE-LAB	lab(12.37, 11.65, -27.81)
CIE-LCH	lch(12.37, 30.15, 292.72°)
OKLab	oklab(24.89% -0.0016 -0.0799)
OKLCH	oklch(24.89% 0.08 268.9)
XYZ	xyz(1.8258, 1.4621, 6.1460)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D47 #473C12

analogous

#123847 #121D47 #211247

triadic

#121D47 #47121D #1D4712

tetradic

#121D47 #471238 #473C12 #124721

square

#121D47 #471238 #473C12 #124721

split-complementary

#121D47 #472112 #384712

monochromatic

#060A18 #060A18 #121D47 #1E3178 #2B45A9

Accessibility & contrast

On white

16.25

#121D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D47

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D47	#FFFFFF	#000000	##FFFFFF
##121D47	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032348

Deuteranopia (green-blind)

#001E46

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121d47;
/* rgb */ color: rgb(18, 29, 71);
/* oklch */ color: oklch(24.9% 0.080 268.9);

Tailwind

colors: {
  custom: {
    50: '#57587a',
    500: '#121d47',
    950: '#000000',
  },
}

SCSS

$custom: #121d47;
$custom-light: #57587a;
$custom-dark: #000000;

JSON

{
  "hex": "#121d47",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 71
  },
  "hsl": {
    "h": 227.547,
    "s": 59.551,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24886,
    "c": 0.07993,
    "h": 268.9
  },
  "luminance": 0.01462
}

Semantic roles & 50–950 ramp

primary

#121D47

secondary

#807035

accent

#C245E3

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121D47

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

Preview Lab → · Contrast checker → · Palette generator →