#15376D#15376D

#15376D is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.102 H 259.4°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#15376D
RGB	rgb(21, 55, 109)
HSL	hsl(217, 68%, 25%)
HSV	hsv(217, 81%, 43%)
CMYK	cmyk(80.7%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(23.66, 9.07, -34.93)
CIE-LCH	lch(23.66, 36.09, 284.56°)
OKLab	oklab(34.47% -0.0187 -0.1003)
OKLCH	oklch(34.47% 0.102 259.4)
XYZ	xyz(4.4348, 3.9954, 15.0025)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15376D #6D4B15

analogous

#15636D #15376D #1F156D

triadic

#15376D #6D1537 #376D15

tetradic

#15376D #6D1563 #6D4B15 #156D1F

square

#15376D #6D1563 #6D4B15 #156D1F

split-complementary

#15376D #6D1F15 #636D15

monochromatic

#050D1A #0B1D3A #15376D #1F51A0 #296BD4

Accessibility & contrast

On white

11.67

#15376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#15376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15376D

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15376D	#FFFFFF	#000000	##FFFFFF
##15376D	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3D6F

Deuteranopia (green-blind)

#03356C

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15376d;
/* rgb */ color: rgb(21, 55, 109);
/* oklch */ color: oklch(34.5% 0.102 259.4);

Tailwind

colors: {
  custom: {
    50: '#616d97',
    500: '#15376d',
    950: '#000000',
  },
}

SCSS

$custom: #15376d;
$custom-light: #616d97;
$custom-dark: #000000;

JSON

{
  "hex": "#15376d",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 216.818,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34471,
    "c": 0.102,
    "h": 259.4
  },
  "luminance": 0.03996
}

Semantic roles & 50–950 ramp

primary

#15376D

secondary

#A37B3A

accent

#A83DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #15376D

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

Preview Lab → · Contrast checker → · Palette generator →