#15197B#15197B

#15197B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.159 H 270.0°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#15197B
RGB	rgb(21, 25, 123)
HSL	hsl(238, 71%, 28%)
HSV	hsv(238, 83%, 48%)
CMYK	cmyk(82.9%, 79.7%, 0%, 51.8%)
CIE-LAB	lab(16.91, 35.33, -54.92)
CIE-LCH	lch(16.91, 65.31, 302.75°)
OKLab	oklab(29.88% 0.0001 -0.1591)
OKLCH	oklch(29.88% 0.159 270)
XYZ	xyz(4.2308, 2.2843, 18.9530)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15197B #7B7715

analogous

#154C7B #15197B #44157B

triadic

#15197B #7B1519 #197B15

tetradic

#15197B #7B154C #7B7715 #157B44

square

#15197B #7B154C #7B7715 #157B44

split-complementary

#15197B #7B4415 #4C7B15

monochromatic

#04051A #0C0E47 #15197B #1E24AF #2F36DB

Accessibility & contrast

On white

14.41

#15197B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#15197B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15197B

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15197B	#FFFFFF	#000000	##FFFFFF
##15197B	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002479

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #15197b;
/* rgb */ color: rgb(21, 25, 123);
/* oklch */ color: oklch(29.9% 0.159 270.0);

Tailwind

colors: {
  custom: {
    50: '#6857a2',
    500: '#15197b',
    950: '#000000',
  },
}

SCSS

$custom: #15197b;
$custom-light: #6857a2;
$custom-dark: #000000;

JSON

{
  "hex": "#15197b",
  "rgb": {
    "r": 21,
    "g": 25,
    "b": 123
  },
  "hsl": {
    "h": 237.647,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29876,
    "c": 0.15908,
    "h": 270
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#15197B

secondary

#B0AC3B

accent

#E73AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #15197B

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

Preview Lab → · Contrast checker → · Palette generator →