#15397A#15397A

#15397A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.119 H 261.1°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#15397A
RGB	rgb(21, 57, 122)
HSL	hsl(219, 71%, 28%)
HSV	hsv(219, 83%, 48%)
CMYK	cmyk(82.8%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.23, 13.11, -40.67)
CIE-LCH	lch(25.23, 42.73, 287.87°)
OKLab	oklab(35.98% -0.0184 -0.1171)
OKLCH	oklch(35.98% 0.119 261.1)
XYZ	xyz(5.2840, 4.4902, 18.9968)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15397A #7A5615

analogous

#156B7A #15397A #24157A

triadic

#15397A #7A1539 #397A15

tetradic

#15397A #7A156B #7A5615 #157A24

square

#15397A #7A156B #7A5615 #157A24

split-complementary

#15397A #7A2415 #6B7A15

monochromatic

#040C1A #0C2146 #15397A #1E51AE #2E6CDB

Accessibility & contrast

On white

11.06

#15397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#15397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15397A

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15397A	#FFFFFF	#000000	##FFFFFF
##15397A	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E417C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #15397a;
/* rgb */ color: rgb(21, 57, 122);
/* oklch */ color: oklch(36.0% 0.119 261.1);

Tailwind

colors: {
  custom: {
    50: '#646ea1',
    500: '#15397a',
    950: '#000000',
  },
}

SCSS

$custom: #15397a;
$custom-light: #646ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#15397a",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 218.614,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35982,
    "c": 0.11856,
    "h": 261.1
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#15397A

secondary

#AF863B

accent

#AE3AED

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #15397A

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

Preview Lab → · Contrast checker → · Palette generator →