#28429E#28429E

#28429E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.153 H 267.3°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#28429E
RGB	rgb(40, 66, 158)
HSL	hsl(227, 60%, 39%)
HSV	hsv(227, 75%, 62%)
CMYK	cmyk(74.7%, 58.2%, 0%, 38%)
CIE-LAB	lab(31.38, 23.60, -52.90)
CIE-LCH	lch(31.38, 57.92, 294.04°)
OKLab	oklab(41.73% -0.0071 -0.1526)
OKLCH	oklch(41.73% 0.153 267.3)
XYZ	xyz(8.9927, 6.8152, 33.1827)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28429E #9E8428

analogous

#287D9E #28429E #49289E

triadic

#28429E #9E2842 #429E28

tetradic

#28429E #9E287D #9E8428 #289E49

square

#28429E #9E287D #9E8428 #289E49

split-complementary

#28429E #9E4928 #7D9E28

monochromatic

#0F193C #1C2E6D #28429E #3758CC #6881D9

Accessibility & contrast

On white

8.89

#28429E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#28429E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28429E

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28429E	#FFFFFF	#000000	##FFFFFF
##28429E	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA1

Deuteranopia (green-blind)

#00459C

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #28429e;
/* rgb */ color: rgb(40, 66, 158);
/* oklch */ color: oklch(41.7% 0.153 267.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28429e",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 158
  },
  "hsl": {
    "h": 226.78,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41732,
    "c": 0.15275,
    "h": 267.3
  },
  "luminance": 0.06816
}

Semantic roles & 50–950 ramp

primary

#28429E

secondary

#BFAB63

accent

#C045E3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28429E

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

Preview Lab → · Contrast checker → · Palette generator →