#284FAA#284FAA

#284FAA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.153 H 263.9°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#284FAA
RGB	rgb(40, 79, 170)
HSL	hsl(222, 62%, 41%)
HSV	hsv(222, 76%, 67%)
CMYK	cmyk(76.5%, 53.5%, 0%, 33.3%)
CIE-LAB	lab(35.88, 19.50, -52.80)
CIE-LCH	lch(35.88, 56.29, 290.26°)
OKLab	oklab(45.41% -0.0164 -0.1521)
OKLCH	oklch(45.41% 0.153 263.9)
XYZ	xyz(10.9242, 8.9441, 39.1731)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284FAA #AA8328

analogous

#2890AA #284FAA #4228AA

triadic

#284FAA #AA284F #4FAA28

tetradic

#284FAA #AA2890 #AA8328 #28AA42

square

#284FAA #AA2890 #AA8328 #28AA42

split-complementary

#284FAA #AA4228 #90AA28

monochromatic

#112147 #1C3878 #284FAA #3E6AD2 #6F90DD

Accessibility & contrast

On white

7.53

#284FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#284FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284FAA

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284FAA	#FFFFFF	#000000	##FFFFFF
##284FAA	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A5BAD

Deuteranopia (green-blind)

#004FA8

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284faa;
/* rgb */ color: rgb(40, 79, 170);
/* oklch */ color: oklch(45.4% 0.153 263.9);

Tailwind

colors: {
  custom: {
    50: '#757fc4',
    500: '#284faa',
    950: '#000000',
  },
}

SCSS

$custom: #284faa;
$custom-light: #757fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#284faa",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 170
  },
  "hsl": {
    "h": 222,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45409,
    "c": 0.15297,
    "h": 263.9
  },
  "luminance": 0.08945
}

Semantic roles & 50–950 ramp

primary

#284FAA

secondary

#C4A96A

accent

#B443E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284FAA

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

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