#15428C#15428C

#15428C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.133 H 260.1°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#15428C
RGB	rgb(21, 66, 140)
HSL	hsl(217, 74%, 32%)
HSV	hsv(217, 85%, 55%)
CMYK	cmyk(85%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.28, 14.30, -45.34)
CIE-LCH	lch(29.28, 47.55, 287.50°)
OKLab	oklab(39.51% -0.0229 -0.1307)
OKLCH	oklch(39.51% 0.133 260.1)
XYZ	xyz(6.9894, 5.9484, 25.5856)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15428C #8C5F15

analogous

#157E8C #15428C #24158C

triadic

#15428C #8C1542 #428C15

tetradic

#15428C #8C157E #8C5F15 #158C24

square

#15428C #8C157E #8C5F15 #158C24

split-complementary

#15428C #8C2415 #7E8C15

monochromatic

#051022 #0D2957 #15428C #1D5BC1 #3A79E1

Accessibility & contrast

On white

9.59

#15428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#15428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15428C

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15428C	#FFFFFF	#000000	##FFFFFF
##15428C	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4B8F

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #15428c;
/* rgb */ color: rgb(21, 66, 140);
/* oklch */ color: oklch(39.5% 0.133 260.1);

Tailwind

colors: {
  custom: {
    50: '#6975ae',
    500: '#15428c',
    950: '#000000',
  },
}

SCSS

$custom: #15428c;
$custom-light: #6975ae;
$custom-dark: #000000;

JSON

{
  "hex": "#15428c",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 217.311,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39507,
    "c": 0.13268,
    "h": 260.1
  },
  "luminance": 0.05949
}

Semantic roles & 50–950 ramp

primary

#15428C

secondary

#C08E3D

accent

#AA37F1

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #15428C

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

Preview Lab → · Contrast checker → · Palette generator →