#121F71#121F71

#121F71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.140 H 268.4°. Best body text is #FFFFFF at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#121F71
RGB	rgb(18, 31, 113)
HSL	hsl(232, 73%, 26%)
HSV	hsv(232, 84%, 44%)
CMYK	cmyk(84.1%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(16.99, 27.54, -48.37)
CIE-LCH	lch(16.99, 55.66, 299.66°)
OKLab	oklab(29.55% -0.004 -0.1401)
OKLCH	oklch(29.55% 0.14 268.4)
XYZ	xyz(3.7190, 2.3004, 15.8676)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F71 #716412

analogous

#124E71 #121F71 #341271

triadic

#121F71 #71121F #1F7112

tetradic

#121F71 #71124E #716412 #127134

square

#121F71 #71124E #716412 #127134

split-complementary

#121F71 #713412 #4E7112

monochromatic

#04071A #0A113C #121F71 #1A2DA6 #233CDB

Accessibility & contrast

On white

14.38

#121F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#121F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F71

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F71	#FFFFFF	#000000	##FFFFFF
##121F71	1.00	14.38	1.46	14.38
#FFFFFF	14.38	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E73

Deuteranopia (green-blind)

#002570

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #121f71;
/* rgb */ color: rgb(18, 31, 113);
/* oklch */ color: oklch(29.6% 0.140 268.4);

Tailwind

colors: {
  custom: {
    50: '#635b9b',
    500: '#121f71',
    950: '#000000',
  },
}

SCSS

$custom: #121f71;
$custom-light: #635b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#121f71",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 231.789,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29553,
    "c": 0.14018,
    "h": 268.4
  },
  "luminance": 0.02301
}

Semantic roles & 50–950 ramp

primary

#121F71

secondary

#A89837

accent

#D639EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #121F71

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

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