#2831AE#2831AE

#2831AE is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.194 H 270.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2831AE
RGB	rgb(40, 49, 174)
HSL	hsl(236, 63%, 42%)
HSV	hsv(236, 77%, 68%)
CMYK	cmyk(77%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(28.65, 40.48, -67.01)
CIE-LCH	lch(28.65, 78.29, 301.14°)
OKLab	oklab(40.17% 0.0026 -0.194)
OKLCH	oklch(40.17% 0.194 270.8)
XYZ	xyz(9.6108, 5.7027, 40.6304)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2831AE #AEA528

analogous

#2874AE #2831AE #6228AE

triadic

#2831AE #AE2831 #31AE28

tetradic

#2831AE #AE2874 #AEA528 #28AE62

square

#2831AE #AE2874 #AEA528 #28AE62

split-complementary

#2831AE #AE6228 #74AE28

monochromatic

#11154A #1D237C #2831AE #404AD3 #7279DF

Accessibility & contrast

On white

9.81

#2831AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2831AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2831AE

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2831AE	#FFFFFF	#000000	##FFFFFF
##2831AE	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB2

Deuteranopia (green-blind)

#003DAC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2831ae;
/* rgb */ color: rgb(40, 49, 174);
/* oklch */ color: oklch(40.2% 0.194 270.8);

Tailwind

colors: {
  custom: {
    50: '#796ac7',
    500: '#2831ae',
    950: '#000000',
  },
}

SCSS

$custom: #2831ae;
$custom-light: #796ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2831ae",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 235.97,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4017,
    "c": 0.19401,
    "h": 270.8
  },
  "luminance": 0.05704
}

Semantic roles & 50–950 ramp

primary

#2831AE

secondary

#C6C06C

accent

#DB42E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2831AE

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

Preview Lab → · Contrast checker → · Palette generator →