#151F5D#151F5D

#151F5D is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.111 H 270.3°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#151F5D
RGB	rgb(21, 31, 93)
HSL	hsl(232, 63%, 22%)
HSV	hsv(232, 77%, 36%)
CMYK	cmyk(77.4%, 66.7%, 0%, 63.5%)
CIE-LAB	lab(15.11, 19.85, -38.31)
CIE-LCH	lch(15.11, 43.14, 297.39°)
OKLab	oklab(27.6% 0.0005 -0.1106)
OKLCH	oklch(27.6% 0.111 270.3)
XYZ	xyz(2.7744, 1.9294, 10.5800)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F5D #5D5315

analogous

#15435D #151F5D #2F155D

triadic

#151F5D #5D151F #1F5D15

tetradic

#151F5D #5D1543 #5D5315 #155D2F

square

#151F5D #5D1543 #5D5315 #155D2F

split-complementary

#151F5D #5D2F15 #435D15

monochromatic

#060819 #0A0E2B #151F5D #20308F #2C40C1

Accessibility & contrast

On white

15.15

#151F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F5D

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F5D	#FFFFFF	#000000	##FFFFFF
##151F5D	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00235C

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151f5d;
/* rgb */ color: rgb(21, 31, 93);
/* oklch */ color: oklch(27.6% 0.111 270.3);

Tailwind

colors: {
  custom: {
    50: '#5e5a8c',
    500: '#151f5d',
    950: '#000000',
  },
}

SCSS

$custom: #151f5d;
$custom-light: #5e5a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#151f5d",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 93
  },
  "hsl": {
    "h": 231.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.27602,
    "c": 0.11063,
    "h": 270.3
  },
  "luminance": 0.0193
}

Semantic roles & 50–950 ramp

primary

#151F5D

secondary

#948839

accent

#CF42E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151F5D

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

Preview Lab → · Contrast checker → · Palette generator →