#284BAA#284BAA

#284BAA is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.6% C 0.158 H 265.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#284BAA
RGB	rgb(40, 75, 170)
HSL	hsl(224, 62%, 41%)
HSV	hsv(224, 76%, 67%)
CMYK	cmyk(76.5%, 55.9%, 0%, 33.3%)
CIE-LAB	lab(34.77, 22.17, -54.60)
CIE-LCH	lch(34.77, 58.92, 292.10°)
OKLab	oklab(44.57% -0.0133 -0.1574)
OKLCH	oklch(44.57% 0.158 265.2)
XYZ	xyz(10.6443, 8.3844, 39.0798)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284BAA #AA8728

analogous

#288CAA #284BAA #4628AA

triadic

#284BAA #AA284B #4BAA28

tetradic

#284BAA #AA288C #AA8728 #28AA46

square

#284BAA #AA288C #AA8728 #28AA46

split-complementary

#284BAA #AA4628 #8CAA28

monochromatic

#111F47 #1C3578 #284BAA #3E65D2 #6F8DDD

Accessibility & contrast

On white

7.84

#284BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#284BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284BAA

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284BAA	#FFFFFF	#000000	##FFFFFF
##284BAA	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AD

Deuteranopia (green-blind)

#004CA8

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #284baa;
/* rgb */ color: rgb(40, 75, 170);
/* oklch */ color: oklch(44.6% 0.158 265.2);

Tailwind

colors: {
  custom: {
    50: '#767cc4',
    500: '#284baa',
    950: '#000000',
  },
}

SCSS

$custom: #284baa;
$custom-light: #767cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#284baa",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 170
  },
  "hsl": {
    "h": 223.846,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44573,
    "c": 0.15799,
    "h": 265.2
  },
  "luminance": 0.08386
}

Semantic roles & 50–950 ramp

primary

#284BAA

secondary

#C4AC6A

accent

#B943E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #284BAA

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

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