#28489C#28489C

#28489C is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.142 H 265.1°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#28489C
RGB	rgb(40, 72, 156)
HSL	hsl(223, 59%, 38%)
HSV	hsv(223, 74%, 61%)
CMYK	cmyk(74.4%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(32.89, 18.78, -49.24)
CIE-LCH	lch(32.89, 52.70, 290.87°)
OKLab	oklab(42.82% -0.0121 -0.1417)
OKLCH	oklch(42.82% 0.142 265.1)
XYZ	xyz(9.1911, 7.4852, 32.4064)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28489C #9C7C28

analogous

#28829C #28489C #42289C

triadic

#28489C #9C2848 #489C28

tetradic

#28489C #9C2882 #9C7C28 #289C42

square

#28489C #9C2882 #9C7C28 #289C42

split-complementary

#28489C #9C4228 #829C28

monochromatic

#0F1B3B #1C326B #28489C #365FCB #6786D8

Accessibility & contrast

On white

8.41

#28489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#28489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28489C

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28489C	#FFFFFF	#000000	##FFFFFF
##28489C	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B539F

Deuteranopia (green-blind)

#00489A

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28489c;
/* rgb */ color: rgb(40, 72, 156);
/* oklch */ color: oklch(42.8% 0.142 265.1);

Tailwind

colors: {
  custom: {
    50: '#727aba',
    500: '#28489c',
    950: '#000000',
  },
}

SCSS

$custom: #28489c;
$custom-light: #727aba;
$custom-dark: #000000;

JSON

{
  "hex": "#28489c",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 223.448,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42817,
    "c": 0.14225,
    "h": 265.1
  },
  "luminance": 0.07486
}

Semantic roles & 50–950 ramp

primary

#28489C

secondary

#BEA562

accent

#B745E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28489C

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

Preview Lab → · Contrast checker → · Palette generator →