#15177D#15177D

#15177D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.163 H 270.1°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#15177D
RGB	rgb(21, 23, 125)
HSL	hsl(239, 71%, 29%)
HSV	hsv(239, 83%, 49%)
CMYK	cmyk(83.2%, 81.6%, 0%, 51%)
CIE-LAB	lab(16.76, 37.18, -56.45)
CIE-LCH	lch(16.76, 67.60, 303.37°)
OKLab	oklab(29.84% 0.0003 -0.1635)
OKLCH	oklch(29.84% 0.163 270.1)
XYZ	xyz(4.3161, 2.2524, 19.6053)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15177D #7D7B15

analogous

#154B7D #15177D #47157D

triadic

#15177D #7D1517 #177D15

tetradic

#15177D #7D154B #7D7B15 #157D47

square

#15177D #7D154B #7D7B15 #157D47

split-complementary

#15177D #7D4715 #4B7D15

monochromatic

#04051A #0C0D49 #15177D #1E21B1 #3033DC

Accessibility & contrast

On white

14.48

#15177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#15177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15177D

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15177D	#FFFFFF	#000000	##FFFFFF
##15177D	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #15177d;
/* rgb */ color: rgb(21, 23, 125);
/* oklch */ color: oklch(29.8% 0.163 270.1);

Tailwind

colors: {
  custom: {
    50: '#6856a4',
    500: '#15177d',
    950: '#000000',
  },
}

SCSS

$custom: #15177d;
$custom-light: #6856a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15177d",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 238.846,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29839,
    "c": 0.16349,
    "h": 270.1
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#15177D

secondary

#B2B03C

accent

#EB3AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #15177D

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

Preview Lab → · Contrast checker → · Palette generator →