#15366A#15366A

#15366A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.099 H 259.3°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#15366A
RGB	rgb(21, 54, 106)
HSL	hsl(217, 67%, 25%)
HSV	hsv(217, 80%, 42%)
CMYK	cmyk(80.2%, 49.1%, 0%, 58.4%)
CIE-LAB	lab(23.13, 8.52, -33.84)
CIE-LCH	lch(23.13, 34.90, 284.13°)
OKLab	oklab(34% -0.0184 -0.0971)
OKLCH	oklch(34% 0.099 259.3)
XYZ	xyz(4.2290, 3.8379, 14.1508)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15366A #6A4915

analogous

#15606A #15366A #1F156A

triadic

#15366A #6A1536 #366A15

tetradic

#15366A #6A1560 #6A4915 #156A1F

square

#15366A #6A1560 #6A4915 #156A1F

split-complementary

#15366A #6A1F15 #606A15

monochromatic

#050D1A #0B1C37 #15366A #1F509D #296AD0

Accessibility & contrast

On white

11.88

#15366A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#15366A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15366A

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15366A	#FFFFFF	#000000	##FFFFFF
##15366A	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3B6C

Deuteranopia (green-blind)

#053469

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #15366a;
/* rgb */ color: rgb(21, 54, 106);
/* oklch */ color: oklch(34.0% 0.099 259.3);

Tailwind

colors: {
  custom: {
    50: '#606c95',
    500: '#15366a',
    950: '#000000',
  },
}

SCSS

$custom: #15366a;
$custom-light: #606c95;
$custom-dark: #000000;

JSON

{
  "hex": "#15366a",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 106
  },
  "hsl": {
    "h": 216.706,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33996,
    "c": 0.09882,
    "h": 259.3
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#15366A

secondary

#A1793A

accent

#A73EEA

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #15366A

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

Preview Lab → · Contrast checker → · Palette generator →