#28429B#28429B

#28429B is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.149 H 267.2°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#28429B
RGB	rgb(40, 66, 155)
HSL	hsl(226, 59%, 38%)
HSV	hsv(226, 74%, 61%)
CMYK	cmyk(74.2%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(31.14, 22.45, -51.46)
CIE-LCH	lch(31.14, 56.15, 293.57°)
OKLab	oklab(41.48% -0.0072 -0.1484)
OKLCH	oklch(41.48% 0.149 267.2)
XYZ	xyz(8.7376, 6.7132, 31.8393)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28429B #9B8128

analogous

#287B9B #28429B #48289B

triadic

#28429B #9B2842 #429B28

tetradic

#28429B #9B287B #9B8128 #289B48

square

#28429B #9B287B #9B8128 #289B48

split-complementary

#28429B #9B4828 #7B9B28

monochromatic

#0F193A #1B2D6A #28429B #3557CB #6680D7

Accessibility & contrast

On white

8.96

#28429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#28429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28429B

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28429B	#FFFFFF	#000000	##FFFFFF
##28429B	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004499

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28429b;
/* rgb */ color: rgb(40, 66, 155);
/* oklch */ color: oklch(41.5% 0.149 267.2);

Tailwind

colors: {
  custom: {
    50: '#7376b9',
    500: '#28429b',
    950: '#000000',
  },
}

SCSS

$custom: #28429b;
$custom-light: #7376b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28429b",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 226.435,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41479,
    "c": 0.14855,
    "h": 267.2
  },
  "luminance": 0.06714
}

Semantic roles & 50–950 ramp

primary

#28429B

secondary

#BDA961

accent

#BF46E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28429B

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

Preview Lab → · Contrast checker → · Palette generator →