#121771#121771

#121771 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.149 H 269.7°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#121771
RGB	rgb(18, 23, 113)
HSL	hsl(237, 73%, 26%)
HSV	hsv(237, 84%, 44%)
CMYK	cmyk(84.1%, 79.6%, 0%, 55.7%)
CIE-LAB	lab(15.13, 32.71, -51.44)
CIE-LCH	lch(15.13, 60.96, 302.46°)
OKLab	oklab(28.22% -0.0007 -0.149)
OKLCH	oklch(28.22% 0.149 269.7)
XYZ	xyz(3.5355, 1.9332, 15.8064)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121771 #716C12

analogous

#124671 #121771 #3C1271

triadic

#121771 #711217 #177112

tetradic

#121771 #711246 #716C12 #12713C

square

#121771 #711246 #716C12 #12713C

split-complementary

#121771 #713C12 #467112

monochromatic

#04051A #0A0C3C #121771 #1A22A6 #232CDB

Accessibility & contrast

On white

15.14

#121771 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#121771 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121771

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121771	#FFFFFF	#000000	##FFFFFF
##121771	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00216F

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #121771;
/* rgb */ color: rgb(18, 23, 113);
/* oklch */ color: oklch(28.2% 0.149 269.7);

Tailwind

colors: {
  custom: {
    50: '#64559b',
    500: '#121771',
    950: '#000000',
  },
}

SCSS

$custom: #121771;
$custom-light: #64559b;
$custom-dark: #000000;

JSON

{
  "hex": "#121771",
  "rgb": {
    "r": 18,
    "g": 23,
    "b": 113
  },
  "hsl": {
    "h": 236.842,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28222,
    "c": 0.149,
    "h": 269.7
  },
  "luminance": 0.01934
}

Semantic roles & 50–950 ramp

primary

#121771

secondary

#A8A237

accent

#E639EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121771

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

Preview Lab → · Contrast checker → · Palette generator →