#15376C#15376C

#15376C is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.101 H 259.2°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#15376C
RGB	rgb(21, 55, 108)
HSL	hsl(217, 67%, 25%)
HSV	hsv(217, 81%, 42%)
CMYK	cmyk(80.6%, 49.1%, 0%, 57.6%)
CIE-LAB	lab(23.59, 8.65, -34.40)
CIE-LCH	lch(23.59, 35.47, 284.11°)
OKLab	oklab(34.39% -0.0189 -0.0987)
OKLCH	oklch(34.39% 0.101 259.2)
XYZ	xyz(4.3812, 3.9740, 14.7206)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15376C #6C4A15

analogous

#15626C #15376C #1F156C

triadic

#15376C #6C1537 #376C15

tetradic

#15376C #6C1562 #6C4A15 #156C1F

square

#15376C #6C1562 #6C4A15 #156C1F

split-complementary

#15376C #6C1F15 #626C15

monochromatic

#050D1A #0B1D39 #15376C #1F519F #296BD2

Accessibility & contrast

On white

11.70

#15376C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#15376C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15376C

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15376C	#FFFFFF	#000000	##FFFFFF
##15376C	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3C6E

Deuteranopia (green-blind)

#05346B

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15376c;
/* rgb */ color: rgb(21, 55, 108);
/* oklch */ color: oklch(34.4% 0.101 259.2);

Tailwind

colors: {
  custom: {
    50: '#616d96',
    500: '#15376c',
    950: '#000000',
  },
}

SCSS

$custom: #15376c;
$custom-light: #616d96;
$custom-dark: #000000;

JSON

{
  "hex": "#15376c",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 108
  },
  "hsl": {
    "h": 216.552,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34393,
    "c": 0.1005,
    "h": 259.2
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#15376C

secondary

#A37A3A

accent

#A73DEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #15376C

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

Preview Lab → · Contrast checker → · Palette generator →