#150D40#150D40

#150D40 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.1% C 0.091 H 282.3°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#150D40
RGB	rgb(21, 13, 64)
HSL	hsl(249, 66%, 15%)
HSV	hsv(249, 80%, 25%)
CMYK	cmyk(67.2%, 79.7%, 0%, 74.9%)
CIE-LAB	lab(7.38, 21.14, -30.99)
CIE-LCH	lch(7.38, 37.52, 304.30°)
OKLab	oklab(21.06% 0.0195 -0.0894)
OKLCH	oklch(21.06% 0.091 282.3)
XYZ	xyz(1.3783, 0.8173, 4.9346)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.01

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150D40 #38400D

analogous

#0D1E40 #150D40 #2F0D40

triadic

#150D40 #40150D #0D4015

tetradic

#150D40 #400D1E #38400D #0D402F

square

#150D40 #400D1E #38400D #0D402F

split-complementary

#150D40 #402F0D #1E400D

monochromatic

#080519 #080519 #150D40 #261773 #3622A6

Accessibility & contrast

On white

18.05

#150D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#150D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150D40

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150D40	#FFFFFF	#000000	##FFFFFF
##150D40	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #150d40;
/* rgb */ color: rgb(21, 13, 64);
/* oklch */ color: oklch(21.1% 0.091 282.3);

Tailwind

colors: {
  custom: {
    50: '#594c75',
    500: '#150d40',
    950: '#000000',
  },
}

SCSS

$custom: #150d40;
$custom-light: #594c75;
$custom-dark: #000000;

JSON

{
  "hex": "#150d40",
  "rgb": {
    "r": 21,
    "g": 13,
    "b": 64
  },
  "hsl": {
    "h": 249.412,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21061,
    "c": 0.09147,
    "h": 282.3
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#150D40

secondary

#6F7C2D

accent

#E93FCE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #150D40

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

Preview Lab → · Contrast checker → · Palette generator →