#2833AB#2833AB

#2833AB is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.2% C 0.188 H 270.6°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#2833AB
RGB	rgb(40, 51, 171)
HSL	hsl(235, 62%, 41%)
HSV	hsv(235, 77%, 67%)
CMYK	cmyk(76.6%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(28.79, 38.21, -64.97)
CIE-LCH	lch(28.79, 75.37, 300.46°)
OKLab	oklab(40.18% 0.002 -0.1881)
OKLCH	oklch(40.18% 0.188 270.6)
XYZ	xyz(9.4071, 5.7580, 39.1358)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2833AB #ABA028

analogous

#2875AB #2833AB #5F28AB

triadic

#2833AB #AB2833 #33AB28

tetradic

#2833AB #AB2875 #ABA028 #28AB5F

square

#2833AB #AB2875 #ABA028 #28AB5F

split-complementary

#2833AB #AB5F28 #75AB28

monochromatic

#111548 #1C2479 #2833AB #3E4BD2 #7079DE

Accessibility & contrast

On white

9.76

#2833AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2833AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2833AB

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2833AB	#FFFFFF	#000000	##FFFFFF
##2833AB	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2833ab;
/* rgb */ color: rgb(40, 51, 171);
/* oklch */ color: oklch(40.2% 0.188 270.6);

Tailwind

colors: {
  custom: {
    50: '#786bc5',
    500: '#2833ab',
    950: '#000000',
  },
}

SCSS

$custom: #2833ab;
$custom-light: #786bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2833ab",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 234.962,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40183,
    "c": 0.18807,
    "h": 270.6
  },
  "luminance": 0.05759
}

Semantic roles & 50–950 ramp

primary

#2833AB

secondary

#C4BD6A

accent

#D843E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2833AB

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

Preview Lab → · Contrast checker → · Palette generator →