#15367E#15367E

#15367E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.128 H 263.0°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#15367E
RGB	rgb(21, 54, 126)
HSL	hsl(221, 71%, 29%)
HSV	hsv(221, 83%, 49%)
CMYK	cmyk(83.3%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(24.65, 16.91, -44.13)
CIE-LCH	lch(24.65, 47.26, 290.97°)
OKLab	oklab(35.64% -0.0157 -0.1274)
OKLCH	oklch(35.64% 0.128 263)
XYZ	xyz(5.3930, 4.3035, 20.2810)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15367E #7E5D15

analogous

#156B7E #15367E #29157E

triadic

#15367E #7E1536 #367E15

tetradic

#15367E #7E156B #7E5D15 #157E29

square

#15367E #7E156B #7E5D15 #157E29

split-complementary

#15367E #7E2915 #6B7E15

monochromatic

#040B1A #0C204A #15367E #1E4CB2 #3167DD

Accessibility & contrast

On white

11.29

#15367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#15367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15367E

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15367E	#FFFFFF	#000000	##FFFFFF
##15367E	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004080

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #15367e;
/* rgb */ color: rgb(21, 54, 126);
/* oklch */ color: oklch(35.6% 0.128 263.0);

Tailwind

colors: {
  custom: {
    50: '#666ca4',
    500: '#15367e',
    950: '#000000',
  },
}

SCSS

$custom: #15367e;
$custom-light: #666ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#15367e",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 221.143,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35641,
    "c": 0.12833,
    "h": 263
  },
  "luminance": 0.04304
}

Semantic roles & 50–950 ramp

primary

#15367E

secondary

#B38E3C

accent

#B53AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15367E

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

Preview Lab → · Contrast checker → · Palette generator →