#15388D#15388D

#15388D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.147 H 263.7°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#15388D
RGB	rgb(21, 56, 141)
HSL	hsl(223, 74%, 32%)
HSV	hsv(223, 85%, 55%)
CMYK	cmyk(85.1%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(26.48, 21.69, -50.52)
CIE-LCH	lch(26.48, 54.98, 293.23°)
OKLab	oklab(37.41% -0.016 -0.1461)
OKLCH	oklch(37.41% 0.147 263.7)
XYZ	xyz(6.5294, 4.9101, 25.7977)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15388D #8D6A15

analogous

#15748D #15388D #2E158D

triadic

#15388D #8D1538 #388D15

tetradic

#15388D #8D1574 #8D6A15 #158D2E

square

#15388D #8D1574 #8D6A15 #158D2E

split-complementary

#15388D #8D2E15 #748D15

monochromatic

#050E22 #0D2358 #15388D #1D4DC2 #3B6BE2

Accessibility & contrast

On white

10.59

#15388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#15388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15388D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15388D	#FFFFFF	#000000	##FFFFFF
##15388D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15388d;
/* rgb */ color: rgb(21, 56, 141);
/* oklch */ color: oklch(37.4% 0.147 263.7);

Tailwind

colors: {
  custom: {
    50: '#6a6eaf',
    500: '#15388d',
    950: '#000000',
  },
}

SCSS

$custom: #15388d;
$custom-light: #6a6eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#15388d",
  "rgb": {
    "r": 21,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 222.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37409,
    "c": 0.14698,
    "h": 263.7
  },
  "luminance": 0.04911
}

Semantic roles & 50–950 ramp

primary

#15388D

secondary

#C19A3D

accent

#BB37F1

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #15388D

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

Preview Lab → · Contrast checker → · Palette generator →