#121D72#121D72

#121D72 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.144 H 268.7°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#121D72
RGB	rgb(18, 29, 114)
HSL	hsl(233, 73%, 26%)
HSV	hsv(233, 84%, 45%)
CMYK	cmyk(84.2%, 74.6%, 0%, 55.3%)
CIE-LAB	lab(16.61, 29.27, -49.64)
CIE-LCH	lch(16.61, 57.63, 300.53°)
OKLab	oklab(29.31% -0.0032 -0.1438)
OKLCH	oklch(29.31% 0.144 268.7)
XYZ	xyz(3.7250, 2.2218, 16.1488)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D72 #726712

analogous

#124D72 #121D72 #371272

triadic

#121D72 #72121D #1D7212

tetradic

#121D72 #72124D #726712 #127237

square

#121D72 #72124D #726712 #127237

split-complementary

#121D72 #723712 #4D7212

monochromatic

#04071A #0A103D #121D72 #1A2AA7 #2338DC

Accessibility & contrast

On white

14.54

#121D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#121D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D72

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D72	#FFFFFF	#000000	##FFFFFF
##121D72	1.00	14.54	1.44	14.54
#FFFFFF	14.54	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E75

Deuteranopia (green-blind)

#002470

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #121d72;
/* rgb */ color: rgb(18, 29, 114);
/* oklch */ color: oklch(29.3% 0.144 268.7);

Tailwind

colors: {
  custom: {
    50: '#64599c',
    500: '#121d72',
    950: '#000000',
  },
}

SCSS

$custom: #121d72;
$custom-light: #64599c;
$custom-dark: #000000;

JSON

{
  "hex": "#121d72",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 114
  },
  "hsl": {
    "h": 233.125,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29311,
    "c": 0.14386,
    "h": 268.7
  },
  "luminance": 0.02222
}

Semantic roles & 50–950 ramp

primary

#121D72

secondary

#A99C37

accent

#DA38EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #121D72

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

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