#15306A#15306A

#15306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.6% C 0.107 H 263.0°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#15306A
RGB	rgb(21, 48, 106)
HSL	hsl(221, 67%, 25%)
HSV	hsv(221, 80%, 42%)
CMYK	cmyk(80.2%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(21.26, 12.84, -36.86)
CIE-LCH	lch(21.26, 39.03, 289.21°)
OKLab	oklab(32.56% -0.013 -0.1061)
OKLCH	oklch(32.56% 0.107 263)
XYZ	xyz(3.9668, 3.3135, 14.0634)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15306A #6A4F15

analogous

#155B6A #15306A #24156A

triadic

#15306A #6A1530 #306A15

tetradic

#15306A #6A155B #6A4F15 #156A24

square

#15306A #6A155B #6A4F15 #156A24

split-complementary

#15306A #6A2415 #5B6A15

monochromatic

#050C1A #0B1937 #15306A #1F479D #295ED0

Accessibility & contrast

On white

12.63

#15306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#15306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15306A

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15306A	#FFFFFF	#000000	##FFFFFF
##15306A	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09376C

Deuteranopia (green-blind)

#002F69

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #15306a;
/* rgb */ color: rgb(21, 48, 106);
/* oklch */ color: oklch(32.6% 0.107 263.0);

Tailwind

colors: {
  custom: {
    50: '#616795',
    500: '#15306a',
    950: '#000000',
  },
}

SCSS

$custom: #15306a;
$custom-light: #616795;
$custom-dark: #000000;

JSON

{
  "hex": "#15306a",
  "rgb": {
    "r": 21,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 220.941,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32564,
    "c": 0.10689,
    "h": 263
  },
  "luminance": 0.03314
}

Semantic roles & 50–950 ramp

primary

#15306A

secondary

#A1803A

accent

#B33EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #15306A

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

Preview Lab → · Contrast checker → · Palette generator →