#15379E#15379E

#15379E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.171 H 264.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#15379E
RGB	rgb(21, 55, 158)
HSL	hsl(225, 77%, 35%)
HSV	hsv(225, 87%, 62%)
CMYK	cmyk(86.7%, 65.2%, 0%, 38%)
CIE-LAB	lab(27.74, 29.18, -58.89)
CIE-LCH	lch(27.74, 65.72, 296.36°)
OKLab	oklab(38.82% -0.0152 -0.1706)
OKLCH	oklch(38.82% 0.171 264.9)
XYZ	xyz(7.8448, 5.3594, 32.9621)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15379E #9E7C15

analogous

#157C9E #15379E #37159E

triadic

#15379E #9E1537 #379E15

tetradic

#15379E #9E157C #9E7C15 #159E37

square

#15379E #9E157C #9E7C15 #159E37

split-complementary

#15379E #9E3715 #7C9E15

monochromatic

#071132 #0E2468 #15379E #1C4AD4 #476EE7

Accessibility & contrast

On white

10.14

#15379E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#15379E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15379E

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15379E	#FFFFFF	#000000	##FFFFFF
##15379E	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A1

Deuteranopia (green-blind)

#003B9C

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #15379e;
/* rgb */ color: rgb(21, 55, 158);
/* oklch */ color: oklch(38.8% 0.171 264.9);

Tailwind

colors: {
  custom: {
    50: '#6f6dbc',
    500: '#15379e',
    950: '#000000',
  },
}

SCSS

$custom: #15379e;
$custom-light: #6f6dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#15379e",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 158
  },
  "hsl": {
    "h": 225.109,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38815,
    "c": 0.17129,
    "h": 264.9
  },
  "luminance": 0.0536
}

Semantic roles & 50–950 ramp

primary

#15379E

secondary

#C7A847

accent

#C435F3

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #15379E

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

Preview Lab → · Contrast checker → · Palette generator →