#151B46#151B46

#151B46 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.080 H 273.0°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#151B46
RGB	rgb(21, 27, 70)
HSL	hsl(233, 54%, 18%)
HSV	hsv(233, 70%, 27%)
CMYK	cmyk(70%, 61.4%, 0%, 72.5%)
CIE-LAB	lab(11.86, 13.35, -27.93)
CIE-LCH	lch(11.86, 30.95, 295.54°)
OKLab	oklab(24.53% 0.0042 -0.0802)
OKLCH	oklch(24.53% 0.08 273)
XYZ	xyz(1.8063, 1.3853, 5.9654)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B46 #464015

analogous

#153346 #151B46 #271546

triadic

#151B46 #46151B #1B4615

tetradic

#151B46 #461533 #464015 #154627

square

#151B46 #461533 #464015 #154627

split-complementary

#151B46 #462715 #334615

monochromatic

#070918 #070918 #151B46 #232D75 #313FA4

Accessibility & contrast

On white

16.44

#151B46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151B46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B46

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B46	#FFFFFF	#000000	##FFFFFF
##151B46	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002147

Deuteranopia (green-blind)

#001D45

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151b46;
/* rgb */ color: rgb(21, 27, 70);
/* oklch */ color: oklch(24.5% 0.080 273.0);

Tailwind

colors: {
  custom: {
    50: '#59577a',
    500: '#151b46',
    950: '#000000',
  },
}

SCSS

$custom: #151b46;
$custom-light: #59577a;
$custom-dark: #000000;

JSON

{
  "hex": "#151b46",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 70
  },
  "hsl": {
    "h": 232.653,
    "s": 53.846,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24534,
    "c": 0.0803,
    "h": 273
  },
  "luminance": 0.01385
}

Semantic roles & 50–950 ramp

primary

#151B46

secondary

#7E7539

accent

#CB4BDD

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151B46

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

Preview Lab → · Contrast checker → · Palette generator →