#121F4D#121F4D

#121F4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.087 H 267.9°. Best body text is #FFFFFF at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#121F4D
RGB	rgb(18, 31, 77)
HSL	hsl(227, 62%, 19%)
HSV	hsv(227, 77%, 30%)
CMYK	cmyk(76.6%, 59.7%, 0%, 69.8%)
CIE-LAB	lab(13.50, 12.68, -30.12)
CIE-LCH	lch(13.50, 32.68, 292.83°)
OKLab	oklab(25.9% -0.0031 -0.0867)
OKLCH	oklch(25.9% 0.087 267.9)
XYZ	xyz(2.0785, 1.6442, 7.2276)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F4D #4D4012

analogous

#123C4D #121F4D #22124D

triadic

#121F4D #4D121F #1F4D12

tetradic

#121F4D #4D123C #4D4012 #124D22

square

#121F4D #4D123C #4D4012 #124D22

split-complementary

#121F4D #4D2212 #3C4D12

monochromatic

#060A19 #060B1B #121F4D #1E337F #2947B0

Accessibility & contrast

On white

15.80

#121F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#121F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F4D

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F4D	#FFFFFF	#000000	##FFFFFF
##121F4D	1.00	15.80	1.33	15.80
#FFFFFF	15.80	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254F

Deuteranopia (green-blind)

#00204C

Tritanopia (blue-blind)

#002A32

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121f4d;
/* rgb */ color: rgb(18, 31, 77);
/* oklch */ color: oklch(25.9% 0.087 267.9);

Tailwind

colors: {
  custom: {
    50: '#595a7f',
    500: '#121f4d',
    950: '#000000',
  },
}

SCSS

$custom: #121f4d;
$custom-light: #595a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#121f4d",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 77
  },
  "hsl": {
    "h": 226.78,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25899,
    "c": 0.08673,
    "h": 267.9
  },
  "luminance": 0.01644
}

Semantic roles & 50–950 ramp

primary

#121F4D

secondary

#867435

accent

#C143E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121F4D

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

Preview Lab → · Contrast checker → · Palette generator →