#28406A#28406A

#28406A is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.4% C 0.078 H 260.9°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#28406A
RGB	rgb(40, 64, 106)
HSL	hsl(218, 45%, 29%)
HSV	hsv(218, 62%, 42%)
CMYK	cmyk(62.3%, 39.6%, 0%, 58.4%)
CIE-LAB	lab(27.18, 5.01, -27.33)
CIE-LCH	lch(27.18, 27.78, 280.38°)
OKLab	oklab(37.38% -0.0124 -0.0775)
OKLCH	oklch(37.38% 0.078 260.9)
XYZ	xyz(5.3091, 5.1581, 14.3487)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28406A #6A5228

analogous

#28616A #28406A #31286A

triadic

#28406A #6A2840 #406A28

tetradic

#28406A #6A2861 #6A5228 #286A31

square

#28406A #6A2861 #6A5228 #286A31

split-complementary

#28406A #6A3128 #616A28

monochromatic

#080D16 #17253E #28406A #395B96 #5077BD

Accessibility & contrast

On white

10.34

#28406A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#28406A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28406A

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28406A	#FFFFFF	#000000	##FFFFFF
##28406A	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E446C

Deuteranopia (green-blind)

#263D69

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #28406a;
/* rgb */ color: rgb(40, 64, 106);
/* oklch */ color: oklch(37.4% 0.078 260.9);

Tailwind

colors: {
  custom: {
    50: '#687495',
    500: '#28406a',
    950: '#000000',
  },
}

SCSS

$custom: #28406a;
$custom-light: #687495;
$custom-dark: #000000;

JSON

{
  "hex": "#28406a",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 106
  },
  "hsl": {
    "h": 218.182,
    "s": 45.205,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37375,
    "c": 0.07845,
    "h": 260.9
  },
  "luminance": 0.05159
}

Semantic roles & 50–950 ramp

primary

#28406A

secondary

#9D8151

accent

#A653D5

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #28406A

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

Preview Lab → · Contrast checker → · Palette generator →