#284BAD#284BAD

#284BAD is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.162 H 265.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#284BAD
RGB	rgb(40, 75, 173)
HSL	hsl(224, 62%, 42%)
HSV	hsv(224, 77%, 68%)
CMYK	cmyk(76.9%, 56.6%, 0%, 32.2%)
CIE-LAB	lab(35.00, 23.32, -56.01)
CIE-LCH	lch(35.00, 60.67, 292.60°)
OKLab	oklab(44.82% -0.0131 -0.1616)
OKLCH	oklch(44.82% 0.162 265.4)
XYZ	xyz(10.9313, 8.4992, 40.5915)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284BAD #AD8A28

analogous

#288DAD #284BAD #4828AD

triadic

#284BAD #AD284B #4BAD28

tetradic

#284BAD #AD288D #AD8A28 #28AD48

square

#284BAD #AD288D #AD8A28 #28AD48

split-complementary

#284BAD #AD4828 #8DAD28

monochromatic

#11204A #1D357B #284BAD #3F66D3 #718EDE

Accessibility & contrast

On white

7.78

#284BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#284BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284BAD

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284BAD	#FFFFFF	#000000	##FFFFFF
##284BAD	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #284bad;
/* rgb */ color: rgb(40, 75, 173);
/* oklch */ color: oklch(44.8% 0.162 265.4);

Tailwind

colors: {
  custom: {
    50: '#767cc6',
    500: '#284bad',
    950: '#000000',
  },
}

SCSS

$custom: #284bad;
$custom-light: #767cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#284bad",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 173
  },
  "hsl": {
    "h": 224.211,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44819,
    "c": 0.16211,
    "h": 265.4
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#284BAD

secondary

#C5AE6C

accent

#BB42E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #284BAD

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

Preview Lab → · Contrast checker → · Palette generator →