#15428E#15428E

#15428E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.135 H 260.4°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#15428E
RGB	rgb(21, 66, 142)
HSL	hsl(218, 74%, 32%)
HSV	hsv(218, 85%, 56%)
CMYK	cmyk(85.2%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(29.43, 15.12, -46.33)
CIE-LCH	lch(29.43, 48.74, 288.08°)
OKLab	oklab(39.67% -0.0226 -0.1336)
OKLCH	oklch(39.67% 0.135 260.4)
XYZ	xyz(7.1382, 6.0080, 26.3694)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15428E #8E6115

analogous

#157F8E #15428E #25158E

triadic

#15428E #8E1542 #428E15

tetradic

#15428E #8E157F #8E6115 #158E25

square

#15428E #8E157F #8E6115 #158E25

split-complementary

#15428E #8E2515 #7F8E15

monochromatic

#051023 #0D2959 #15428E #1D5BC3 #3B79E2

Accessibility & contrast

On white

9.54

#15428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#15428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15428E

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15428E	#FFFFFF	#000000	##FFFFFF
##15428E	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4B91

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #15428e;
/* rgb */ color: rgb(21, 66, 142);
/* oklch */ color: oklch(39.7% 0.135 260.4);

Tailwind

colors: {
  custom: {
    50: '#6975b0',
    500: '#15428e',
    950: '#000000',
  },
}

SCSS

$custom: #15428e;
$custom-light: #6975b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15428e",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 217.686,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39669,
    "c": 0.13549,
    "h": 260.4
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#15428E

secondary

#C2903D

accent

#AC37F1

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #15428E

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

Preview Lab → · Contrast checker → · Palette generator →