#121D4D#121D4D

#121D4D is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.090 H 269.3°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#121D4D
RGB	rgb(18, 29, 77)
HSL	hsl(229, 62%, 19%)
HSV	hsv(229, 77%, 30%)
CMYK	cmyk(76.6%, 62.3%, 0%, 69.8%)
CIE-LAB	lab(12.88, 14.20, -31.13)
CIE-LCH	lch(12.88, 34.21, 294.53°)
OKLab	oklab(25.44% -0.0012 -0.0896)
OKLCH	oklch(25.44% 0.09 269.3)
XYZ	xyz(2.0279, 1.5429, 7.2107)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D4D #4D4212

analogous

#123A4D #121D4D #24124D

triadic

#121D4D #4D121D #1D4D12

tetradic

#121D4D #4D123A #4D4212 #124D24

square

#121D4D #4D123A #4D4212 #124D24

split-complementary

#121D4D #4D2412 #3A4D12

monochromatic

#060919 #060A1B #121D4D #1E307F #2942B0

Accessibility & contrast

On white

16.05

#121D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D4D

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D4D	#FFFFFF	#000000	##FFFFFF
##121D4D	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244F

Deuteranopia (green-blind)

#001F4C

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121d4d;
/* rgb */ color: rgb(18, 29, 77);
/* oklch */ color: oklch(25.4% 0.090 269.3);

Tailwind

colors: {
  custom: {
    50: '#59587f',
    500: '#121d4d',
    950: '#000000',
  },
}

SCSS

$custom: #121d4d;
$custom-light: #59587f;
$custom-dark: #000000;

JSON

{
  "hex": "#121d4d",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 77
  },
  "hsl": {
    "h": 228.814,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25435,
    "c": 0.08966,
    "h": 269.3
  },
  "luminance": 0.01543
}

Semantic roles & 50–950 ramp

primary

#121D4D

secondary

#867735

accent

#C743E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121D4D

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

Preview Lab → · Contrast checker → · Palette generator →