#151F44#151F44

#151F44 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.3% C 0.071 H 269.4°. Best body text is #FFFFFF at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#151F44
RGB	rgb(21, 31, 68)
HSL	hsl(227, 53%, 17%)
HSV	hsv(227, 69%, 27%)
CMYK	cmyk(69.1%, 54.4%, 0%, 73.3%)
CIE-LAB	lab(12.96, 9.47, -24.75)
CIE-LCH	lch(12.96, 26.50, 290.93°)
OKLab	oklab(25.32% -0.0007 -0.0708)
OKLCH	oklch(25.32% 0.071 269.4)
XYZ	xyz(1.8423, 1.5566, 5.6711)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F44 #443A15

analogous

#153744 #151F44 #231544

triadic

#151F44 #44151F #1F4415

tetradic

#151F44 #441537 #443A15 #154423

square

#151F44 #441537 #443A15 #154423

split-complementary

#151F44 #442315 #374415

monochromatic

#070B17 #070B17 #151F44 #233473 #324AA2

Accessibility & contrast

On white

16.01

#151F44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#151F44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F44

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F44	#FFFFFF	#000000	##FFFFFF
##151F44	1.00	16.01	1.31	16.01
#FFFFFF	16.01	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C2445

Deuteranopia (green-blind)

#051F43

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151f44;
/* rgb */ color: rgb(21, 31, 68);
/* oklch */ color: oklch(25.3% 0.071 269.4);

Tailwind

colors: {
  custom: {
    50: '#585a78',
    500: '#151f44',
    950: '#000000',
  },
}

SCSS

$custom: #151f44;
$custom-light: #585a78;
$custom-dark: #000000;

JSON

{
  "hex": "#151f44",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 68
  },
  "hsl": {
    "h": 227.234,
    "s": 52.809,
    "l": 17.451
  },
  "oklch": {
    "l": 0.25316,
    "c": 0.07079,
    "h": 269.4
  },
  "luminance": 0.01557
}

Semantic roles & 50–950 ramp

primary

#151F44

secondary

#7C6E39

accent

#BD4CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #151F44

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

Preview Lab → · Contrast checker → · Palette generator →