#15177E#15177E

#15177E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.165 H 270.0°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#15177E
RGB	rgb(21, 23, 126)
HSL	hsl(239, 71%, 29%)
HSV	hsv(239, 83%, 49%)
CMYK	cmyk(83.3%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(16.88, 37.52, -56.89)
CIE-LCH	lch(16.88, 68.15, 303.41°)
OKLab	oklab(29.96% 0.0001 -0.1647)
OKLCH	oklch(29.96% 0.165 270)
XYZ	xyz(4.3803, 2.2781, 19.9435)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15177E #7E7C15

analogous

#154C7E #15177E #48157E

triadic

#15177E #7E1517 #177E15

tetradic

#15177E #7E154C #7E7C15 #157E48

square

#15177E #7E154C #7E7C15 #157E48

split-complementary

#15177E #7E4815 #4C7E15

monochromatic

#04051A #0C0D4A #15177E #1E21B2 #3134DD

Accessibility & contrast

On white

14.43

#15177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15177E

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15177E	#FFFFFF	#000000	##FFFFFF
##15177E	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15177e;
/* rgb */ color: rgb(21, 23, 126);
/* oklch */ color: oklch(30.0% 0.165 270.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15177e",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 238.857,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29962,
    "c": 0.16474,
    "h": 270
  },
  "luminance": 0.02279
}

Semantic roles & 50–950 ramp

primary

#15177E

secondary

#B3B13C

accent

#EB3AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #15177E

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

Preview Lab → · Contrast checker → · Palette generator →