#284ABA#284ABA

#284ABA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.181 H 266.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#284ABA
RGB	rgb(40, 74, 186)
HSL	hsl(226, 65%, 44%)
HSV	hsv(226, 78%, 73%)
CMYK	cmyk(78.5%, 60.2%, 0%, 27.1%)
CIE-LAB	lab(35.78, 28.93, -62.44)
CIE-LCH	lch(35.78, 68.81, 294.86°)
OKLab	oklab(45.73% -0.0119 -0.1805)
OKLCH	oklch(45.73% 0.181 266.2)
XYZ	xyz(12.1837, 8.8924, 47.5191)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284ABA #BA9828

analogous

#2893BA #284ABA #4F28BA

triadic

#284ABA #BA284A #4ABA28

tetradic

#284ABA #BA2893 #BA9828 #28BA4F

square

#284ABA #BA2893 #BA9828 #28BA4F

split-complementary

#284ABA #BA4F28 #93BA28

monochromatic

#122255 #1D3688 #284ABA #4869D8 #7A92E2

Accessibility & contrast

On white

7.56

#284ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#284ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284ABA

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284ABA	#FFFFFF	#000000	##FFFFFF
##284ABA	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284aba;
/* rgb */ color: rgb(40, 74, 186);
/* oklch */ color: oklch(45.7% 0.181 266.2);

Tailwind

colors: {
  custom: {
    50: '#797cd0',
    500: '#284aba',
    950: '#000000',
  },
}

SCSS

$custom: #284aba;
$custom-light: #797cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#284aba",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 186
  },
  "hsl": {
    "h": 226.027,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45725,
    "c": 0.18086,
    "h": 266.2
  },
  "luminance": 0.08894
}

Semantic roles & 50–950 ramp

primary

#284ABA

secondary

#CAB673

accent

#C140E8

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #284ABA

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

Preview Lab → · Contrast checker → · Palette generator →