#284ABF#284ABF

#284ABF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.2% C 0.187 H 266.4°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#284ABF
RGB	rgb(40, 74, 191)
HSL	hsl(226, 65%, 45%)
HSV	hsv(226, 79%, 75%)
CMYK	cmyk(79.1%, 61.3%, 0%, 25.1%)
CIE-LAB	lab(36.19, 30.81, -64.69)
CIE-LCH	lch(36.19, 71.65, 295.47°)
OKLab	oklab(46.16% -0.0119 -0.1871)
OKLCH	oklch(46.16% 0.187 266.4)
XYZ	xyz(12.7245, 9.1088, 50.3677)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284ABF #BF9D28

analogous

#2895BF #284ABF #5128BF

triadic

#284ABF #BF284A #4ABF28

tetradic

#284ABF #BF2895 #BF9D28 #28BF51

square

#284ABF #BF2895 #BF9D28 #28BF51

split-complementary

#284ABF #BF5128 #95BF28

monochromatic

#13235A #1D368C #284ABF #4B6BD9 #7E95E4

Accessibility & contrast

On white

7.44

#284ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#284ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284ABF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284ABF	#FFFFFF	#000000	##FFFFFF
##284ABF	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #284abf;
/* rgb */ color: rgb(40, 74, 191);
/* oklch */ color: oklch(46.2% 0.187 266.4);

Tailwind

colors: {
  custom: {
    50: '#7b7cd3',
    500: '#284abf',
    950: '#000000',
  },
}

SCSS

$custom: #284abf;
$custom-light: #7b7cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#284abf",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 191
  },
  "hsl": {
    "h": 226.49,
    "s": 65.368,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46164,
    "c": 0.18746,
    "h": 266.4
  },
  "luminance": 0.0911
}

Semantic roles & 50–950 ramp

primary

#284ABF

secondary

#CCB977

accent

#C23FE8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #284ABF

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

Preview Lab → · Contrast checker → · Palette generator →