#15428D#15428D

#15428D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.6% C 0.134 H 260.2°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#15428D
RGB	rgb(21, 66, 141)
HSL	hsl(218, 74%, 32%)
HSV	hsv(218, 85%, 55%)
CMYK	cmyk(85.1%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(29.36, 14.71, -45.84)
CIE-LCH	lch(29.36, 48.14, 287.79°)
OKLab	oklab(39.59% -0.0228 -0.1321)
OKLCH	oklch(39.59% 0.134 260.2)
XYZ	xyz(7.0634, 5.9781, 25.9757)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15428D #8D6015

analogous

#157E8D #15428D #24158D

triadic

#15428D #8D1542 #428D15

tetradic

#15428D #8D157E #8D6015 #158D24

square

#15428D #8D157E #8D6015 #158D24

split-complementary

#15428D #8D2415 #7E8D15

monochromatic

#051022 #0D2958 #15428D #1D5BC2 #3B79E2

Accessibility & contrast

On white

9.56

#15428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#15428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15428D

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15428D	#FFFFFF	#000000	##FFFFFF
##15428D	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4B90

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #15428d;
/* rgb */ color: rgb(21, 66, 141);
/* oklch */ color: oklch(39.6% 0.134 260.2);

Tailwind

colors: {
  custom: {
    50: '#6975af',
    500: '#15428d',
    950: '#000000',
  },
}

SCSS

$custom: #15428d;
$custom-light: #6975af;
$custom-dark: #000000;

JSON

{
  "hex": "#15428d",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 217.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39588,
    "c": 0.13409,
    "h": 260.2
  },
  "luminance": 0.05979
}

Semantic roles & 50–950 ramp

primary

#15428D

secondary

#C18F3D

accent

#AB37F1

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #15428D

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

Preview Lab → · Contrast checker → · Palette generator →