#28429D#28429D

#28429D is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.151 H 267.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#28429D
RGB	rgb(40, 66, 157)
HSL	hsl(227, 59%, 39%)
HSV	hsv(227, 75%, 62%)
CMYK	cmyk(74.5%, 58%, 0%, 38.4%)
CIE-LAB	lab(31.30, 23.22, -52.42)
CIE-LCH	lch(31.30, 57.33, 293.89°)
OKLab	oklab(41.65% -0.0072 -0.1512)
OKLCH	oklch(41.65% 0.151 267.3)
XYZ	xyz(8.9070, 6.7809, 32.7312)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28429D #9D8328

analogous

#287C9D #28429D #48289D

triadic

#28429D #9D2842 #429D28

tetradic

#28429D #9D287C #9D8328 #289D48

square

#28429D #9D287C #9D8328 #289D48

split-complementary

#28429D #9D4828 #7C9D28

monochromatic

#0F193B #1C2D6C #28429D #3658CC #6780D8

Accessibility & contrast

On white

8.91

#28429D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#28429D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28429D

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28429D	#FFFFFF	#000000	##FFFFFF
##28429D	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA0

Deuteranopia (green-blind)

#00449B

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #28429d;
/* rgb */ color: rgb(40, 66, 157);
/* oklch */ color: oklch(41.6% 0.151 267.3);

Tailwind

colors: {
  custom: {
    50: '#7376bb',
    500: '#28429d',
    950: '#000000',
  },
}

SCSS

$custom: #28429d;
$custom-light: #7376bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28429d",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 157
  },
  "hsl": {
    "h": 226.667,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41648,
    "c": 0.15135,
    "h": 267.3
  },
  "luminance": 0.06782
}

Semantic roles & 50–950 ramp

primary

#28429D

secondary

#BEAA62

accent

#C045E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28429D

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

Preview Lab → · Contrast checker → · Palette generator →