#121C75#121C75

#121C75 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.149 H 268.8°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#121C75
RGB	rgb(18, 28, 117)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 85%, 46%)
CMYK	cmyk(84.6%, 76.1%, 0%, 54.1%)
CIE-LAB	lab(16.71, 31.07, -51.41)
CIE-LCH	lch(16.71, 60.07, 301.15°)
OKLab	oklab(29.49% -0.0032 -0.149)
OKLCH	oklch(29.49% 0.149 268.8)
XYZ	xyz(3.8745, 2.2430, 17.0549)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C75 #756B12

analogous

#124E75 #121C75 #3A1275

triadic

#121C75 #75121C #1C7512

tetradic

#121C75 #75124E #756B12 #12753A

square

#121C75 #75124E #756B12 #12753A

split-complementary

#121C75 #753A12 #4E7512

monochromatic

#04061B #0A0F40 #121C75 #1A29AA #2437DD

Accessibility & contrast

On white

14.50

#121C75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#121C75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C75

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C75	#FFFFFF	#000000	##FFFFFF
##121C75	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #121c75;
/* rgb */ color: rgb(18, 28, 117);
/* oklch */ color: oklch(29.5% 0.149 268.8);

Tailwind

colors: {
  custom: {
    50: '#65599e',
    500: '#121c75',
    950: '#000000',
  },
}

SCSS

$custom: #121c75;
$custom-light: #65599e;
$custom-dark: #000000;

JSON

{
  "hex": "#121c75",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 117
  },
  "hsl": {
    "h": 233.939,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29486,
    "c": 0.14899,
    "h": 268.8
  },
  "luminance": 0.02243
}

Semantic roles & 50–950 ramp

primary

#121C75

secondary

#ACA037

accent

#DD38F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121C75

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

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