#151A4C#151A4C

#151A4C is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.091 H 273.4°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#151A4C
RGB	rgb(21, 26, 76)
HSL	hsl(235, 57%, 19%)
HSV	hsv(235, 72%, 30%)
CMYK	cmyk(72.4%, 65.8%, 0%, 70.2%)
CIE-LAB	lab(12.09, 16.57, -31.71)
CIE-LCH	lch(12.09, 35.78, 297.58°)
OKLab	oklab(24.87% 0.0054 -0.0913)
OKLCH	oklch(24.87% 0.091 273.4)
XYZ	xyz(1.9827, 1.4198, 7.0056)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A4C #4C4715

analogous

#15364C #151A4C #2C154C

triadic

#151A4C #4C151A #1A4C15

tetradic

#151A4C #4C1536 #4C4715 #154C2C

square

#151A4C #4C1536 #4C4715 #154C2C

split-complementary

#151A4C #4C2C15 #364C15

monochromatic

#070818 #080A1C #151A4C #222A7C #2F3BAC

Accessibility & contrast

On white

16.36

#151A4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151A4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A4C

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A4C	#FFFFFF	#000000	##FFFFFF
##151A4C	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224E

Deuteranopia (green-blind)

#001D4B

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151a4c;
/* rgb */ color: rgb(21, 26, 76);
/* oklch */ color: oklch(24.9% 0.091 273.4);

Tailwind

colors: {
  custom: {
    50: '#5a567e',
    500: '#151a4c',
    950: '#000000',
  },
}

SCSS

$custom: #151a4c;
$custom-light: #5a567e;
$custom-dark: #000000;

JSON

{
  "hex": "#151a4c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 76
  },
  "hsl": {
    "h": 234.545,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24871,
    "c": 0.09149,
    "h": 273.4
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary

#151A4C

secondary

#847D39

accent

#D248E0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #151A4C

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

Preview Lab → · Contrast checker → · Palette generator →