#15306D#15306D

#15306D is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.111 H 263.5°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#15306D
RGB	rgb(21, 48, 109)
HSL	hsl(222, 68%, 25%)
HSV	hsv(222, 81%, 43%)
CMYK	cmyk(80.7%, 56%, 0%, 57.3%)
CIE-LAB	lab(21.49, 14.10, -38.42)
CIE-LCH	lch(21.49, 40.92, 290.16°)
OKLab	oklab(32.82% -0.0126 -0.1107)
OKLCH	oklch(32.82% 0.111 263.5)
XYZ	xyz(4.1255, 3.3770, 14.8994)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15306D #6D5215

analogous

#155C6D #15306D #26156D

triadic

#15306D #6D1530 #306D15

tetradic

#15306D #6D155C #6D5215 #156D26

square

#15306D #6D155C #6D5215 #156D26

split-complementary

#15306D #6D2615 #5C6D15

monochromatic

#050B1A #0B193A #15306D #1F47A0 #295DD4

Accessibility & contrast

On white

12.53

#15306D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#15306D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15306D

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15306D	#FFFFFF	#000000	##FFFFFF
##15306D	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03386F

Deuteranopia (green-blind)

#00306C

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15306d;
/* rgb */ color: rgb(21, 48, 109);
/* oklch */ color: oklch(32.8% 0.111 263.5);

Tailwind

colors: {
  custom: {
    50: '#616797',
    500: '#15306d',
    950: '#000000',
  },
}

SCSS

$custom: #15306d;
$custom-light: #616797;
$custom-dark: #000000;

JSON

{
  "hex": "#15306d",
  "rgb": {
    "r": 21,
    "g": 48,
    "b": 109
  },
  "hsl": {
    "h": 221.591,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32819,
    "c": 0.1114,
    "h": 263.5
  },
  "luminance": 0.03377
}

Semantic roles & 50–950 ramp

primary

#15306D

secondary

#A3833A

accent

#B53DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #15306D

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

Preview Lab → · Contrast checker → · Palette generator →