#121B75#121B75

#121B75 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.150 H 268.9°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#121B75
RGB	rgb(18, 27, 117)
HSL	hsl(235, 73%, 26%)
HSV	hsv(235, 85%, 46%)
CMYK	cmyk(84.6%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(16.49, 31.71, -51.78)
CIE-LCH	lch(16.49, 60.72, 301.48°)
OKLab	oklab(29.32% -0.0028 -0.15)
OKLCH	oklch(29.32% 0.15 268.9)
XYZ	xyz(3.8512, 2.1964, 17.0471)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B75 #756C12

analogous

#124D75 #121B75 #3B1275

triadic

#121B75 #75121B #1B7512

tetradic

#121B75 #75124D #756C12 #12753B

square

#121B75 #75124D #756C12 #12753B

split-complementary

#121B75 #753B12 #4D7512

monochromatic

#04061B #0A0F40 #121B75 #1A27AA #2435DD

Accessibility & contrast

On white

14.59

#121B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#121B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B75

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B75	#FFFFFF	#000000	##FFFFFF
##121B75	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002473

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #121b75;
/* rgb */ color: rgb(18, 27, 117);
/* oklch */ color: oklch(29.3% 0.150 268.9);

Tailwind

colors: {
  custom: {
    50: '#65589e',
    500: '#121b75',
    950: '#000000',
  },
}

SCSS

$custom: #121b75;
$custom-light: #65589e;
$custom-dark: #000000;

JSON

{
  "hex": "#121b75",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 234.545,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29323,
    "c": 0.15008,
    "h": 268.9
  },
  "luminance": 0.02197
}

Semantic roles & 50–950 ramp

primary

#121B75

secondary

#ACA137

accent

#DF38F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121B75

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

Preview Lab → · Contrast checker → · Palette generator →