#2833AC#2833AC

#2833AC is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.189 H 270.6°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#2833AC
RGB	rgb(40, 51, 172)
HSL	hsl(235, 62%, 42%)
HSV	hsv(235, 77%, 67%)
CMYK	cmyk(76.7%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(28.89, 38.56, -65.41)
CIE-LCH	lch(28.89, 75.93, 300.52°)
OKLab	oklab(40.28% 0.0019 -0.1893)
OKLCH	oklch(40.28% 0.189 270.6)
XYZ	xyz(9.5028, 5.7963, 39.6397)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2833AC #ACA128

analogous

#2875AC #2833AC #5F28AC

triadic

#2833AC #AC2833 #33AC28

tetradic

#2833AC #AC2875 #ACA128 #28AC5F

square

#2833AC #AC2875 #ACA128 #28AC5F

split-complementary

#2833AC #AC5F28 #75AC28

monochromatic

#111649 #1C247A #2833AC #3F4BD2 #717ADE

Accessibility & contrast

On white

9.72

#2833AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2833AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2833AC

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2833AC	#FFFFFF	#000000	##FFFFFF
##2833AC	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2833ac;
/* rgb */ color: rgb(40, 51, 172);
/* oklch */ color: oklch(40.3% 0.189 270.6);

Tailwind

colors: {
  custom: {
    50: '#786bc6',
    500: '#2833ac',
    950: '#000000',
  },
}

SCSS

$custom: #2833ac;
$custom-light: #786bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2833ac",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 235,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40284,
    "c": 0.18935,
    "h": 270.6
  },
  "luminance": 0.05797
}

Semantic roles & 50–950 ramp

primary

#2833AC

secondary

#C5BD6B

accent

#D842E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2833AC

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

Preview Lab → · Contrast checker → · Palette generator →