#28429A#28429A

#28429A is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.147 H 267.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#28429A
RGB	rgb(40, 66, 154)
HSL	hsl(226, 59%, 38%)
HSV	hsv(226, 74%, 60%)
CMYK	cmyk(74%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(31.07, 22.07, -50.99)
CIE-LCH	lch(31.07, 55.56, 293.40°)
OKLab	oklab(41.4% -0.0073 -0.147)
OKLCH	oklch(41.4% 0.147 267.2)
XYZ	xyz(8.6540, 6.6797, 31.3988)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28429A #9A8028

analogous

#287B9A #28429A #47289A

triadic

#28429A #9A2842 #429A28

tetradic

#28429A #9A287B #9A8028 #289A47

square

#28429A #9A287B #9A8028 #289A47

split-complementary

#28429A #9A4728 #7B9A28

monochromatic

#0F1839 #1B2D69 #28429A #3557CA #657FD7

Accessibility & contrast

On white

8.99

#28429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#28429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28429A

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28429A	#FFFFFF	#000000	##FFFFFF
##28429A	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004498

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28429a;
/* rgb */ color: rgb(40, 66, 154);
/* oklch */ color: oklch(41.4% 0.147 267.2);

Tailwind

colors: {
  custom: {
    50: '#7276b8',
    500: '#28429a',
    950: '#000000',
  },
}

SCSS

$custom: #28429a;
$custom-light: #7276b8;
$custom-dark: #000000;

JSON

{
  "hex": "#28429a",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 226.316,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.41396,
    "c": 0.14714,
    "h": 267.2
  },
  "luminance": 0.06681
}

Semantic roles & 50–950 ramp

primary

#28429A

secondary

#BDA861

accent

#BE46E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #28429A

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

Preview Lab → · Contrast checker → · Palette generator →