#15177F#15177F

#15177F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.166 H 270.0°. Best body text is #FFFFFF at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#15177F
RGB	rgb(21, 23, 127)
HSL	hsl(239, 72%, 29%)
HSV	hsv(239, 83%, 50%)
CMYK	cmyk(83.5%, 81.9%, 0%, 50.2%)
CIE-LAB	lab(17.01, 37.87, -57.32)
CIE-LCH	lch(17.01, 68.70, 303.45°)
OKLab	oklab(30.09% -0.0001 -0.166)
OKLCH	oklch(30.09% 0.166 270)
XYZ	xyz(4.4451, 2.3040, 20.2850)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15177F #7F7D15

analogous

#154C7F #15177F #48157F

triadic

#15177F #7F1517 #177F15

tetradic

#15177F #7F154C #7F7D15 #157F48

square

#15177F #7F154C #7F7D15 #157F48

split-complementary

#15177F #7F4815 #4C7F15

monochromatic

#04051A #0C0D4A #15177F #1E21B4 #3135DD

Accessibility & contrast

On white

14.37

#15177F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15177F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15177F

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15177F	#FFFFFF	#000000	##FFFFFF
##15177F	1.00	14.37	1.46	14.37
#FFFFFF	14.37	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F82

Deuteranopia (green-blind)

#00247D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15177f;
/* rgb */ color: rgb(21, 23, 127);
/* oklch */ color: oklch(30.1% 0.166 270.0);

Tailwind

colors: {
  custom: {
    50: '#6956a5',
    500: '#15177f',
    950: '#000000',
  },
}

SCSS

$custom: #15177f;
$custom-light: #6956a5;
$custom-dark: #000000;

JSON

{
  "hex": "#15177f",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 127
  },
  "hsl": {
    "h": 238.868,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30085,
    "c": 0.16599,
    "h": 270
  },
  "luminance": 0.02305
}

Semantic roles & 50–950 ramp

primary

#15177F

secondary

#B4B23C

accent

#EB39EE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #15177F

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

Preview Lab → · Contrast checker → · Palette generator →