#284FAD#284FAD

#284FAD is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.157 H 264.1°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#284FAD
RGB	rgb(40, 79, 173)
HSL	hsl(222, 62%, 42%)
HSV	hsv(222, 77%, 68%)
CMYK	cmyk(76.9%, 54.3%, 0%, 32.2%)
CIE-LAB	lab(36.10, 20.65, -54.23)
CIE-LCH	lch(36.10, 58.03, 290.85°)
OKLab	oklab(45.65% -0.0161 -0.1563)
OKLCH	oklch(45.65% 0.157 264.1)
XYZ	xyz(11.2112, 9.0589, 40.6847)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284FAD #AD8628

analogous

#2892AD #284FAD #4428AD

triadic

#284FAD #AD284F #4FAD28

tetradic

#284FAD #AD2892 #AD8628 #28AD44

square

#284FAD #AD2892 #AD8628 #28AD44

split-complementary

#284FAD #AD4428 #92AD28

monochromatic

#11224A #1D387B #284FAD #3F6BD3 #7191DE

Accessibility & contrast

On white

7.47

#284FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#284FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284FAD

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284FAD	#FFFFFF	#000000	##FFFFFF
##284FAD	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB0

Deuteranopia (green-blind)

#004FAB

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #284fad;
/* rgb */ color: rgb(40, 79, 173);
/* oklch */ color: oklch(45.6% 0.157 264.1);

Tailwind

colors: {
  custom: {
    50: '#767fc6',
    500: '#284fad',
    950: '#000000',
  },
}

SCSS

$custom: #284fad;
$custom-light: #767fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#284fad",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 173
  },
  "hsl": {
    "h": 222.406,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.45647,
    "c": 0.15711,
    "h": 264.1
  },
  "luminance": 0.0906
}

Semantic roles & 50–950 ramp

primary

#284FAD

secondary

#C5AB6C

accent

#B642E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284FAD

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

Preview Lab → · Contrast checker → · Palette generator →