#121C74#121C74

#121C74 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.148 H 268.8°. Best body text is #FFFFFF at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#121C74
RGB	rgb(18, 28, 116)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 84%, 45%)
CMYK	cmyk(84.5%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(16.60, 30.69, -50.95)
CIE-LCH	lch(16.60, 59.48, 301.06°)
OKLab	oklab(29.37% -0.003 -0.1476)
OKLCH	oklch(29.37% 0.148 268.8)
XYZ	xyz(3.8160, 2.2196, 16.7469)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C74 #746A12

analogous

#124D74 #121C74 #391274

triadic

#121C74 #74121C #1C7412

tetradic

#121C74 #74124D #746A12 #127439

square

#121C74 #74124D #746A12 #127439

split-complementary

#121C74 #743912 #4D7412

monochromatic

#04061A #0A0F3F #121C74 #1A29A9 #2336DD

Accessibility & contrast

On white

14.54

#121C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#121C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C74

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C74	#FFFFFF	#000000	##FFFFFF
##121C74	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)

#002E77

Deuteranopia (green-blind)

#002472

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #121c74;
/* rgb */ color: rgb(18, 28, 116);
/* oklch */ color: oklch(29.4% 0.148 268.8);

Tailwind

colors: {
  custom: {
    50: '#65599d',
    500: '#121c74',
    950: '#000000',
  },
}

SCSS

$custom: #121c74;
$custom-light: #65599d;
$custom-dark: #000000;

JSON

{
  "hex": "#121c74",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 233.878,
    "s": 73.134,
    "l": 26.275
  },
  "oklch": {
    "l": 0.2937,
    "c": 0.14766,
    "h": 268.8
  },
  "luminance": 0.0222
}

Semantic roles & 50–950 ramp

primary

#121C74

secondary

#AB9F37

accent

#DD38F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121C74

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

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