#15316F#15316F

#15316F is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.113 H 263.3°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#15316F
RGB	rgb(21, 49, 111)
HSL	hsl(221, 68%, 26%)
HSV	hsv(221, 81%, 44%)
CMYK	cmyk(81.1%, 55.9%, 0%, 56.5%)
CIE-LAB	lab(21.96, 14.22, -38.96)
CIE-LCH	lch(21.96, 41.47, 290.06°)
OKLab	oklab(33.22% -0.0132 -0.1122)
OKLCH	oklch(33.22% 0.113 263.3)
XYZ	xyz(4.2758, 3.5033, 15.4867)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15316F #6F5315

analogous

#155E6F #15316F #26156F

triadic

#15316F #6F1531 #316F15

tetradic

#15316F #6F155E #6F5315 #156F26

square

#15316F #6F155E #6F5315 #156F26

split-complementary

#15316F #6F2615 #5E6F15

monochromatic

#050B1A #0B1A3C #15316F #1F48A2 #285ED6

Accessibility & contrast

On white

12.35

#15316F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#15316F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15316F

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15316F	#FFFFFF	#000000	##FFFFFF
##15316F	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033971

Deuteranopia (green-blind)

#00316E

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #15316f;
/* rgb */ color: rgb(21, 49, 111);
/* oklch */ color: oklch(33.2% 0.113 263.3);

Tailwind

colors: {
  custom: {
    50: '#626899',
    500: '#15316f',
    950: '#000000',
  },
}

SCSS

$custom: #15316f;
$custom-light: #626899;
$custom-dark: #000000;

JSON

{
  "hex": "#15316f",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 111
  },
  "hsl": {
    "h": 221.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.33219,
    "c": 0.11303,
    "h": 263.3
  },
  "luminance": 0.03504
}

Semantic roles & 50–950 ramp

primary

#15316F

secondary

#A5843A

accent

#B53DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #15316F

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

Preview Lab → · Contrast checker → · Palette generator →