#2833AF#2833AF

#2833AF is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.193 H 270.5°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2833AF
RGB	rgb(40, 51, 175)
HSL	hsl(235, 63%, 42%)
HSV	hsv(235, 77%, 69%)
CMYK	cmyk(77.1%, 70.9%, 0%, 31.4%)
CIE-LAB	lab(29.19, 39.62, -66.71)
CIE-LCH	lch(29.19, 77.59, 300.71°)
OKLab	oklab(40.59% 0.0015 -0.1931)
OKLCH	oklch(40.59% 0.193 270.5)
XYZ	xyz(9.7941, 5.9128, 41.1742)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2833AF #AFA428

analogous

#2877AF #2833AF #6128AF

triadic

#2833AF #AF2833 #33AF28

tetradic

#2833AF #AF2877 #AFA428 #28AF61

square

#2833AF #AF2877 #AFA428 #28AF61

split-complementary

#2833AF #AF6128 #77AF28

monochromatic

#11164B #1D247D #2833AF #414DD4 #737BDF

Accessibility & contrast

On white

9.62

#2833AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2833AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2833AF

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2833AF	#FFFFFF	#000000	##FFFFFF
##2833AF	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB3

Deuteranopia (green-blind)

#003EAD

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2833af;
/* rgb */ color: rgb(40, 51, 175);
/* oklch */ color: oklch(40.6% 0.193 270.5);

Tailwind

colors: {
  custom: {
    50: '#796bc8',
    500: '#2833af',
    950: '#000000',
  },
}

SCSS

$custom: #2833af;
$custom-light: #796bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2833af",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 175
  },
  "hsl": {
    "h": 235.111,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4059,
    "c": 0.19315,
    "h": 270.5
  },
  "luminance": 0.05914
}

Semantic roles & 50–950 ramp

primary

#2833AF

secondary

#C6BF6D

accent

#D842E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2833AF

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

Preview Lab → · Contrast checker → · Palette generator →