#121B71#121B71

#121B71 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.145 H 269.1°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#121B71
RGB	rgb(18, 27, 113)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 84%, 44%)
CMYK	cmyk(84.1%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(16.03, 30.20, -49.96)
CIE-LCH	lch(16.03, 58.38, 301.15°)
OKLab	oklab(28.86% -0.0022 -0.1447)
OKLCH	oklch(28.86% 0.145 269.1)
XYZ	xyz(3.6210, 2.1043, 15.8349)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B71 #716812

analogous

#124A71 #121B71 #381271

triadic

#121B71 #71121B #1B7112

tetradic

#121B71 #71124A #716812 #127138

square

#121B71 #71124A #716812 #127138

split-complementary

#121B71 #713812 #4A7112

monochromatic

#04061A #0A0E3C #121B71 #1A28A6 #2334DB

Accessibility & contrast

On white

14.78

#121B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#121B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B71

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B71	#FFFFFF	#000000	##FFFFFF
##121B71	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121b71;
/* rgb */ color: rgb(18, 27, 113);
/* oklch */ color: oklch(28.9% 0.145 269.1);

Tailwind

colors: {
  custom: {
    50: '#64589b',
    500: '#121b71',
    950: '#000000',
  },
}

SCSS

$custom: #121b71;
$custom-light: #64589b;
$custom-dark: #000000;

JSON

{
  "hex": "#121b71",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 234.316,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28857,
    "c": 0.14476,
    "h": 269.1
  },
  "luminance": 0.02105
}

Semantic roles & 50–950 ramp

primary

#121B71

secondary

#A89D37

accent

#DE39EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #121B71

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

Preview Lab → · Contrast checker → · Palette generator →