#15316A#15316A

#15316A is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.106 H 262.5°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#15316A
RGB	rgb(21, 49, 106)
HSL	hsl(220, 67%, 25%)
HSV	hsv(220, 80%, 42%)
CMYK	cmyk(80.2%, 53.8%, 0%, 58.4%)
CIE-LAB	lab(21.57, 12.12, -36.36)
CIE-LCH	lch(21.57, 38.33, 288.43°)
OKLab	oklab(32.8% -0.0138 -0.1046)
OKLCH	oklch(32.8% 0.106 262.5)
XYZ	xyz(4.0082, 3.3962, 14.0772)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15316A #6A4E15

analogous

#155C6A #15316A #23156A

triadic

#15316A #6A1531 #316A15

tetradic

#15316A #6A155C #6A4E15 #156A23

square

#15316A #6A155C #6A4E15 #156A23

split-complementary

#15316A #6A2315 #5C6A15

monochromatic

#050C1A #0B1937 #15316A #1F499D #2960D0

Accessibility & contrast

On white

12.50

#15316A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#15316A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15316A

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15316A	#FFFFFF	#000000	##FFFFFF
##15316A	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D386C

Deuteranopia (green-blind)

#003069

Tritanopia (blue-blind)

#003F48

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15316a;
/* rgb */ color: rgb(21, 49, 106);
/* oklch */ color: oklch(32.8% 0.106 262.5);

Tailwind

colors: {
  custom: {
    50: '#616895',
    500: '#15316a',
    950: '#000000',
  },
}

SCSS

$custom: #15316a;
$custom-light: #616895;
$custom-dark: #000000;

JSON

{
  "hex": "#15316a",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 106
  },
  "hsl": {
    "h": 220.235,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.32798,
    "c": 0.10553,
    "h": 262.5
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#15316A

secondary

#A17F3A

accent

#B13EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #15316A

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

Preview Lab → · Contrast checker → · Palette generator →