#150F40#150F40

#150F40 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.089 H 281.4°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#150F40
RGB	rgb(21, 15, 64)
HSL	hsl(247, 62%, 15%)
HSV	hsv(247, 77%, 25%)
CMYK	cmyk(67.2%, 76.6%, 0%, 74.9%)
CIE-LAB	lab(7.87, 19.83, -30.20)
CIE-LCH	lch(7.87, 36.13, 303.30°)
OKLab	oklab(21.42% 0.0175 -0.0869)
OKLCH	oklch(21.42% 0.089 281.4)
XYZ	xyz(1.4052, 0.8711, 4.9436)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 3.75

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150F40 #3A400F

analogous

#0F2140 #150F40 #2D0F40

triadic

#150F40 #40150F #0F4015

tetradic

#150F40 #400F21 #3A400F #0F402D

square

#150F40 #400F21 #3A400F #0F402D

split-complementary

#150F40 #402D0F #21400F

monochromatic

#080619 #080619 #150F40 #251B72 #3626A3

Accessibility & contrast

On white

17.88

#150F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#150F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150F40

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150F40	#FFFFFF	#000000	##FFFFFF
##150F40	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001942

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #150f40;
/* rgb */ color: rgb(21, 15, 64);
/* oklch */ color: oklch(21.4% 0.089 281.4);

Tailwind

colors: {
  custom: {
    50: '#584d75',
    500: '#150f40',
    950: '#000000',
  },
}

SCSS

$custom: #150f40;
$custom-light: #584d75;
$custom-dark: #000000;

JSON

{
  "hex": "#150f40",
  "rgb": {
    "r": 21,
    "g": 15,
    "b": 64
  },
  "hsl": {
    "h": 247.347,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21421,
    "c": 0.0887,
    "h": 281.4
  },
  "luminance": 0.00871
}

Semantic roles & 50–950 ramp

primary

#150F40

secondary

#717A30

accent

#E543D1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #150F40

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

Preview Lab → · Contrast checker → · Palette generator →