#284AA8#284AA8

#284AA8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.156 H 265.4°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#284AA8
RGB	rgb(40, 74, 168)
HSL	hsl(224, 62%, 41%)
HSV	hsv(224, 76%, 66%)
CMYK	cmyk(76.2%, 56%, 0%, 34.1%)
CIE-LAB	lab(34.34, 22.07, -54.10)
CIE-LCH	lch(34.34, 58.42, 292.19°)
OKLab	oklab(44.2% -0.0127 -0.156)
OKLCH	oklch(44.2% 0.156 265.4)
XYZ	xyz(10.3892, 8.1747, 38.0685)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284AA8 #A88628

analogous

#288AA8 #284AA8 #4628A8

triadic

#284AA8 #A8284A #4AA828

tetradic

#284AA8 #A8288A #A88628 #28A846

square

#284AA8 #A8288A #A88628 #28A846

split-complementary

#284AA8 #A84628 #8AA828

monochromatic

#101E45 #1C3477 #284AA8 #3D64D1 #6E8BDC

Accessibility & contrast

On white

7.97

#284AA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#284AA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284AA8

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284AA8	#FFFFFF	#000000	##FFFFFF
##284AA8	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AB

Deuteranopia (green-blind)

#004BA6

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #284aa8;
/* rgb */ color: rgb(40, 74, 168);
/* oklch */ color: oklch(44.2% 0.156 265.4);

Tailwind

colors: {
  custom: {
    50: '#757cc3',
    500: '#284aa8',
    950: '#000000',
  },
}

SCSS

$custom: #284aa8;
$custom-light: #757cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#284aa8",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 168
  },
  "hsl": {
    "h": 224.063,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44203,
    "c": 0.15649,
    "h": 265.4
  },
  "luminance": 0.08176
}

Semantic roles & 50–950 ramp

primary

#284AA8

secondary

#C3AB69

accent

#BA43E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #284AA8

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

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