#15428F#15428F

#15428F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.137 H 260.5°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#15428F
RGB	rgb(21, 66, 143)
HSL	hsl(218, 74%, 32%)
HSV	hsv(218, 85%, 56%)
CMYK	cmyk(85.3%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(29.51, 15.54, -46.82)
CIE-LCH	lch(29.51, 49.34, 288.36°)
OKLab	oklab(39.75% -0.0225 -0.135)
OKLCH	oklch(39.75% 0.137 260.5)
XYZ	xyz(7.2136, 6.0381, 26.7666)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15428F #8F6215

analogous

#157F8F #15428F #25158F

triadic

#15428F #8F1542 #428F15

tetradic

#15428F #8F157F #8F6215 #158F25

square

#15428F #8F157F #8F6215 #158F25

split-complementary

#15428F #8F2515 #7F8F15

monochromatic

#051124 #0D295A #15428F #1D5BC4 #3C79E2

Accessibility & contrast

On white

9.51

#15428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#15428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15428F

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15428F	#FFFFFF	#000000	##FFFFFF
##15428F	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074B92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #15428f;
/* rgb */ color: rgb(21, 66, 143);
/* oklch */ color: oklch(39.8% 0.137 260.5);

Tailwind

colors: {
  custom: {
    50: '#6a75b0',
    500: '#15428f',
    950: '#000000',
  },
}

SCSS

$custom: #15428f;
$custom-light: #6a75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15428f",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 217.869,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39751,
    "c": 0.1369,
    "h": 260.5
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#15428F

secondary

#C2913E

accent

#AC37F1

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080811

muted

#7A7B80

Preview Lab

Preview with #15428F

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

Preview Lab → · Contrast checker → · Palette generator →