#151A4A#151A4A

#151A4A is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.088 H 273.5°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#151A4A
RGB	rgb(21, 26, 74)
HSL	hsl(234, 56%, 19%)
HSV	hsv(234, 72%, 29%)
CMYK	cmyk(71.6%, 64.9%, 0%, 71%)
CIE-LAB	lab(11.91, 15.75, -30.63)
CIE-LCH	lch(11.91, 34.44, 297.21°)
OKLab	oklab(24.68% 0.0054 -0.0881)
OKLCH	oklch(24.68% 0.088 273.5)
XYZ	xyz(1.9143, 1.3925, 6.6451)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A4A #4A4515

analogous

#15344A #151A4A #2A154A

triadic

#151A4A #4A151A #1A4A15

tetradic

#151A4A #4A1534 #4A4515 #154A2A

square

#151A4A #4A1534 #4A4515 #154A2A

split-complementary

#151A4A #4A2A15 #344A15

monochromatic

#070818 #07091A #151A4A #232B7A #303BA9

Accessibility & contrast

On white

16.42

#151A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A4A

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A4A	#FFFFFF	#000000	##FFFFFF
##151A4A	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#001D49

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151a4a;
/* rgb */ color: rgb(21, 26, 74);
/* oklch */ color: oklch(24.7% 0.088 273.5);

Tailwind

colors: {
  custom: {
    50: '#5a567d',
    500: '#151a4a',
    950: '#000000',
  },
}

SCSS

$custom: #151a4a;
$custom-light: #5a567d;
$custom-dark: #000000;

JSON

{
  "hex": "#151a4a",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 74
  },
  "hsl": {
    "h": 234.34,
    "s": 55.789,
    "l": 18.627
  },
  "oklch": {
    "l": 0.2468,
    "c": 0.08831,
    "h": 273.5
  },
  "luminance": 0.01393
}

Semantic roles & 50–950 ramp

primary

#151A4A

secondary

#827B39

accent

#D149DF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #151A4A

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

Preview Lab → · Contrast checker → · Palette generator →