#121F74#121F74

#121F74 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.144 H 268.3°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#121F74
RGB	rgb(18, 31, 116)
HSL	hsl(232, 73%, 26%)
HSV	hsv(232, 84%, 45%)
CMYK	cmyk(84.5%, 73.3%, 0%, 54.5%)
CIE-LAB	lab(17.32, 28.72, -49.77)
CIE-LCH	lch(17.32, 57.46, 299.98°)
OKLab	oklab(29.89% -0.0043 -0.1442)
OKLCH	oklch(29.89% 0.144 268.3)
XYZ	xyz(3.8907, 2.3691, 16.7718)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F74 #746712

analogous

#125074 #121F74 #361274

triadic

#121F74 #74121F #1F7412

tetradic

#121F74 #741250 #746712 #127436

square

#121F74 #741250 #746712 #127436

split-complementary

#121F74 #743612 #507412

monochromatic

#04071A #0A113F #121F74 #1A2DA9 #233CDD

Accessibility & contrast

On white

14.25

#121F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#121F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F74

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F74	#FFFFFF	#000000	##FFFFFF
##121F74	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F77

Deuteranopia (green-blind)

#002672

Tritanopia (blue-blind)

#003747

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #121f74;
/* rgb */ color: rgb(18, 31, 116);
/* oklch */ color: oklch(29.9% 0.144 268.3);

Tailwind

colors: {
  custom: {
    50: '#645b9d',
    500: '#121f74',
    950: '#000000',
  },
}

SCSS

$custom: #121f74;
$custom-light: #645b9d;
$custom-dark: #000000;

JSON

{
  "hex": "#121f74",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 116
  },
  "hsl": {
    "h": 232.041,
    "s": 73.134,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29885,
    "c": 0.14426,
    "h": 268.3
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#121F74

secondary

#AB9B37

accent

#D738F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #121F74

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

Preview Lab → · Contrast checker → · Palette generator →