#15367B#15367B

#15367B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.124 H 262.6°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#15367B
RGB	rgb(21, 54, 123)
HSL	hsl(221, 71%, 28%)
HSV	hsv(221, 83%, 48%)
CMYK	cmyk(82.9%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(24.41, 15.66, -42.63)
CIE-LCH	lch(24.41, 45.42, 290.18°)
OKLab	oklab(35.38% -0.0159 -0.123)
OKLCH	oklch(35.38% 0.124 262.6)
XYZ	xyz(5.2023, 4.2272, 19.2768)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15367B #7B5A15

analogous

#15697B #15367B #27157B

triadic

#15367B #7B1536 #367B15

tetradic

#15367B #7B1569 #7B5A15 #157B27

square

#15367B #7B1569 #7B5A15 #157B27

split-complementary

#15367B #7B2715 #697B15

monochromatic

#040B1A #0C1F47 #15367B #1E4DAF #2F67DB

Accessibility & contrast

On white

11.38

#15367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#15367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15367B

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15367B	#FFFFFF	#000000	##FFFFFF
##15367B	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #15367b;
/* rgb */ color: rgb(21, 54, 123);
/* oklch */ color: oklch(35.4% 0.124 262.6);

Tailwind

colors: {
  custom: {
    50: '#656ca2',
    500: '#15367b',
    950: '#000000',
  },
}

SCSS

$custom: #15367b;
$custom-light: #656ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#15367b",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 220.588,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35382,
    "c": 0.12399,
    "h": 262.6
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary

#15367B

secondary

#B08B3B

accent

#B43AEE

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #15367B

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

Preview Lab → · Contrast checker → · Palette generator →