#15319F#15319F

#15319F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.180 H 265.9°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#15319F
RGB	rgb(21, 49, 159)
HSL	hsl(228, 77%, 35%)
HSV	hsv(228, 87%, 62%)
CMYK	cmyk(86.8%, 69.2%, 0%, 37.6%)
CIE-LAB	lab(26.33, 33.56, -61.81)
CIE-LCH	lch(26.33, 70.33, 298.50°)
OKLab	oklab(37.81% -0.0127 -0.1792)
OKLCH	oklch(37.81% 0.18 265.9)
XYZ	xyz(7.6634, 4.8583, 33.3280)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15319F #9F8315

analogous

#15769F #15319F #3E159F

triadic

#15319F #9F1531 #319F15

tetradic

#15319F #9F1576 #9F8315 #159F3E

square

#15319F #9F1576 #9F8315 #159F3E

split-complementary

#15319F #9F3E15 #769F15

monochromatic

#071033 #0E2069 #15319F #1C42D5 #4868E7

Accessibility & contrast

On white

10.65

#15319F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#15319F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15319F

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15319F	#FFFFFF	#000000	##FFFFFF
##15319F	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #15319f;
/* rgb */ color: rgb(21, 49, 159);
/* oklch */ color: oklch(37.8% 0.180 265.9);

Tailwind

colors: {
  custom: {
    50: '#6f69bc',
    500: '#15319f',
    950: '#000000',
  },
}

SCSS

$custom: #15319f;
$custom-light: #6f69bc;
$custom-dark: #000000;

JSON

{
  "hex": "#15319f",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 159
  },
  "hsl": {
    "h": 227.826,
    "s": 76.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37812,
    "c": 0.17964,
    "h": 265.9
  },
  "luminance": 0.04859
}

Semantic roles & 50–950 ramp

primary

#15319F

secondary

#C8AE48

accent

#CD35F3

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #15319F

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

Preview Lab → · Contrast checker → · Palette generator →