#121D4E#121D4E

#121D4E is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.091 H 269.3°. Best body text is #FFFFFF at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#121D4E
RGB	rgb(18, 29, 78)
HSL	hsl(229, 63%, 19%)
HSV	hsv(229, 77%, 31%)
CMYK	cmyk(76.9%, 62.8%, 0%, 69.4%)
CIE-LAB	lab(12.97, 14.63, -31.67)
CIE-LCH	lch(12.97, 34.88, 294.79°)
OKLab	oklab(25.53% -0.0011 -0.0912)
OKLCH	oklch(25.53% 0.091 269.3)
XYZ	xyz(2.0635, 1.5572, 7.3981)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D4E #4E4312

analogous

#123B4E #121D4E #25124E

triadic

#121D4E #4E121D #1D4E12

tetradic

#121D4E #4E123B #4E4312 #124E25

square

#121D4E #4E123B #4E4312 #124E25

split-complementary

#121D4E #4E2512 #3B4E12

monochromatic

#060919 #070B1C #121D4E #1D2F80 #2942B1

Accessibility & contrast

On white

16.01

#121D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D4E

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D4E	#FFFFFF	#000000	##FFFFFF
##121D4E	1.00	16.01	1.31	16.01
#FFFFFF	16.01	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002450

Deuteranopia (green-blind)

#001F4D

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121d4e;
/* rgb */ color: rgb(18, 29, 78);
/* oklch */ color: oklch(25.5% 0.091 269.3);

Tailwind

colors: {
  custom: {
    50: '#595880',
    500: '#121d4e',
    950: '#000000',
  },
}

SCSS

$custom: #121d4e;
$custom-light: #595880;
$custom-dark: #000000;

JSON

{
  "hex": "#121d4e",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 229,
    "s": 62.5,
    "l": 18.824
  },
  "oklch": {
    "l": 0.25529,
    "c": 0.09125,
    "h": 269.3
  },
  "luminance": 0.01557
}

Semantic roles & 50–950 ramp

primary

#121D4E

secondary

#877835

accent

#C842E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121D4E

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

Preview Lab → · Contrast checker → · Palette generator →