#15376B#15376B

#15376B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.3% C 0.099 H 258.9°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#15376B
RGB	rgb(21, 55, 107)
HSL	hsl(216, 67%, 25%)
HSV	hsv(216, 80%, 42%)
CMYK	cmyk(80.4%, 48.6%, 0%, 58%)
CIE-LAB	lab(23.51, 8.23, -33.87)
CIE-LCH	lch(23.51, 34.85, 283.66°)
OKLab	oklab(34.32% -0.0191 -0.0971)
OKLCH	oklch(34.32% 0.099 258.9)
XYZ	xyz(4.3283, 3.9528, 14.4419)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15376B #6B4915

analogous

#15626B #15376B #1E156B

triadic

#15376B #6B1537 #376B15

tetradic

#15376B #6B1562 #6B4915 #156B1E

square

#15376B #6B1562 #6B4915 #156B1E

split-complementary

#15376B #6B1E15 #626B15

monochromatic

#050D1A #0B1D38 #15376B #1F519E #296CD1

Accessibility & contrast

On white

11.73

#15376B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#15376B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15376B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15376B	#FFFFFF	#000000	##FFFFFF
##15376B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3C6D

Deuteranopia (green-blind)

#07346A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15376b;
/* rgb */ color: rgb(21, 55, 107);
/* oklch */ color: oklch(34.3% 0.099 258.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15376b",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 216.279,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34316,
    "c": 0.09901,
    "h": 258.9
  },
  "luminance": 0.03953
}

Semantic roles & 50–950 ramp

primary

#15376B

secondary

#A2793A

accent

#A63EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #15376B

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

Preview Lab → · Contrast checker → · Palette generator →