#284EAA#284EAA

#284EAA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.154 H 264.2°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#284EAA
RGB	rgb(40, 78, 170)
HSL	hsl(222, 62%, 41%)
HSV	hsv(222, 76%, 67%)
CMYK	cmyk(76.5%, 54.1%, 0%, 33.3%)
CIE-LAB	lab(35.60, 20.16, -53.25)
CIE-LCH	lch(35.60, 56.94, 290.74°)
OKLab	oklab(45.2% -0.0156 -0.1534)
OKLCH	oklch(45.2% 0.154 264.2)
XYZ	xyz(10.8526, 8.8010, 39.1492)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284EAA #AA8428

analogous

#288FAA #284EAA #4328AA

triadic

#284EAA #AA284E #4EAA28

tetradic

#284EAA #AA288F #AA8428 #28AA43

square

#284EAA #AA288F #AA8428 #28AA43

split-complementary

#284EAA #AA4328 #8FAA28

monochromatic

#112147 #1C3778 #284EAA #3E69D2 #6F8FDD

Accessibility & contrast

On white

7.61

#284EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#284EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284EAA

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284EAA	#FFFFFF	#000000	##FFFFFF
##284EAA	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045AAD

Deuteranopia (green-blind)

#004EA8

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284eaa;
/* rgb */ color: rgb(40, 78, 170);
/* oklch */ color: oklch(45.2% 0.154 264.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#284eaa",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 170
  },
  "hsl": {
    "h": 222.462,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45198,
    "c": 0.15422,
    "h": 264.2
  },
  "luminance": 0.08802
}

Semantic roles & 50–950 ramp

primary

#284EAA

secondary

#C4AA6A

accent

#B643E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #284EAA

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

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