#284FAC#284FAC

#284FAC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.156 H 264.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#284FAC
RGB	rgb(40, 79, 172)
HSL	hsl(222, 62%, 42%)
HSV	hsv(222, 77%, 67%)
CMYK	cmyk(76.7%, 54.1%, 0%, 32.5%)
CIE-LAB	lab(36.02, 20.27, -53.75)
CIE-LCH	lch(36.02, 57.45, 290.66°)
OKLab	oklab(45.57% -0.0162 -0.1549)
OKLCH	oklch(45.57% 0.156 264)
XYZ	xyz(11.1148, 9.0204, 40.1770)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284FAC #AC8528

analogous

#2891AC #284FAC #4328AC

triadic

#284FAC #AC284F #4FAC28

tetradic

#284FAC #AC2891 #AC8528 #28AC43

square

#284FAC #AC2891 #AC8528 #28AC43

split-complementary

#284FAC #AC4328 #91AC28

monochromatic

#112149 #1C387A #284FAC #3F6AD2 #7191DE

Accessibility & contrast

On white

7.49

#284FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#284FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284FAC

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284FAC	#FFFFFF	#000000	##FFFFFF
##284FAC	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#035BAF

Deuteranopia (green-blind)

#004FAA

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #284fac;
/* rgb */ color: rgb(40, 79, 172);
/* oklch */ color: oklch(45.6% 0.156 264.0);

Tailwind

colors: {
  custom: {
    50: '#767fc5',
    500: '#284fac',
    950: '#000000',
  },
}

SCSS

$custom: #284fac;
$custom-light: #767fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#284fac",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 172
  },
  "hsl": {
    "h": 222.273,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45567,
    "c": 0.15573,
    "h": 264
  },
  "luminance": 0.09022
}

Semantic roles & 50–950 ramp

primary

#284FAC

secondary

#C5AA6B

accent

#B542E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284FAC

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

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