#121B49#121B49

#121B49 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.086 H 270.4°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#121B49
RGB	rgb(18, 27, 73)
HSL	hsl(230, 60%, 18%)
HSV	hsv(230, 75%, 29%)
CMYK	cmyk(75.3%, 63%, 0%, 71.4%)
CIE-LAB	lab(11.91, 14.03, -29.93)
CIE-LCH	lch(11.91, 33.06, 295.11°)
OKLab	oklab(24.6% 0.0006 -0.0862)
OKLCH	oklch(24.6% 0.086 270.4)
XYZ	xyz(1.8436, 1.3933, 6.4738)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B49 #494012

analogous

#123649 #121B49 #241249

triadic

#121B49 #49121B #1B4912

tetradic

#121B49 #491236 #494012 #124924

square

#121B49 #491236 #494012 #124924

split-complementary

#121B49 #492412 #364912

monochromatic

#060919 #060919 #121B49 #1E2D7A #2A3FAB

Accessibility & contrast

On white

16.42

#121B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B49

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B49	#FFFFFF	#000000	##FFFFFF
##121B49	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224B

Deuteranopia (green-blind)

#001D48

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121b49;
/* rgb */ color: rgb(18, 27, 73);
/* oklch */ color: oklch(24.6% 0.086 270.4);

Tailwind

colors: {
  custom: {
    50: '#58577c',
    500: '#121b49',
    950: '#000000',
  },
}

SCSS

$custom: #121b49;
$custom-light: #58577c;
$custom-dark: #000000;

JSON

{
  "hex": "#121b49",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 230.182,
    "s": 60.44,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24601,
    "c": 0.08618,
    "h": 270.4
  },
  "luminance": 0.01394
}

Semantic roles & 50–950 ramp

primary

#121B49

secondary

#827535

accent

#CA44E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #121B49

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

Preview Lab → · Contrast checker → · Palette generator →