#2840AE#2840AE

#2840AE is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.177 H 268.2°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#2840AE
RGB	rgb(40, 64, 174)
HSL	hsl(229, 63%, 42%)
HSV	hsv(229, 77%, 68%)
CMYK	cmyk(77%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(32.20, 30.99, -61.18)
CIE-LCH	lch(32.20, 68.58, 296.86°)
OKLab	oklab(42.75% -0.0056 -0.1769)
OKLCH	oklch(42.75% 0.177 268.2)
XYZ	xyz(10.3458, 7.1728, 40.8754)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2840AE #AE9628

analogous

#2883AE #2840AE #5328AE

triadic

#2840AE #AE2840 #40AE28

tetradic

#2840AE #AE2883 #AE9628 #28AE53

square

#2840AE #AE2883 #AE9628 #28AE53

split-complementary

#2840AE #AE5328 #83AE28

monochromatic

#111B4A #1D2E7C #2840AE #405AD3 #7285DF

Accessibility & contrast

On white

8.62

#2840AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2840AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2840AE

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2840AE	#FFFFFF	#000000	##FFFFFF
##2840AE	1.00	8.62	2.43	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2840ae;
/* rgb */ color: rgb(40, 64, 174);
/* oklch */ color: oklch(42.8% 0.177 268.2);

Tailwind

colors: {
  custom: {
    50: '#7774c7',
    500: '#2840ae',
    950: '#000000',
  },
}

SCSS

$custom: #2840ae;
$custom-light: #7774c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2840ae",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 229.254,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42754,
    "c": 0.177,
    "h": 268.2
  },
  "luminance": 0.07174
}

Semantic roles & 50–950 ramp

primary

#2840AE

secondary

#C6B66C

accent

#C842E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2840AE

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

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