#15387A#15387A

#15387A is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.8% C 0.120 H 261.6°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#15387A
RGB	rgb(21, 56, 122)
HSL	hsl(219, 71%, 28%)
HSV	hsv(219, 83%, 48%)
CMYK	cmyk(82.8%, 54.1%, 0%, 52.2%)
CIE-LAB	lab(24.93, 13.82, -41.16)
CIE-LCH	lch(24.93, 43.42, 288.56°)
OKLab	oklab(35.75% -0.0176 -0.1186)
OKLCH	oklch(35.75% 0.12 261.6)
XYZ	xyz(5.2350, 4.3923, 18.9805)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15387A #7A5715

analogous

#156A7A #15387A #25157A

triadic

#15387A #7A1538 #387A15

tetradic

#15387A #7A156A #7A5715 #157A25

square

#15387A #7A156A #7A5715 #157A25

split-complementary

#15387A #7A2515 #6A7A15

monochromatic

#040C1A #0C2046 #15387A #1E50AE #2E6ADB

Accessibility & contrast

On white

11.18

#15387A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#15387A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15387A

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15387A	#FFFFFF	#000000	##FFFFFF
##15387A	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A407C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #15387a;
/* rgb */ color: rgb(21, 56, 122);
/* oklch */ color: oklch(35.8% 0.120 261.6);

Tailwind

colors: {
  custom: {
    50: '#646ea1',
    500: '#15387a',
    950: '#000000',
  },
}

SCSS

$custom: #15387a;
$custom-light: #646ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#15387a",
  "rgb": {
    "r": 21,
    "g": 56,
    "b": 122
  },
  "hsl": {
    "h": 219.208,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35752,
    "c": 0.11988,
    "h": 261.6
  },
  "luminance": 0.04393
}

Semantic roles & 50–950 ramp

primary

#15387A

secondary

#AF873B

accent

#AF3AED

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #15387A

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

Preview Lab → · Contrast checker → · Palette generator →