#2829B0#2829B0

#2829B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.2% C 0.204 H 271.6°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#2829B0
RGB	rgb(40, 41, 176)
HSL	hsl(240, 63%, 42%)
HSV	hsv(240, 77%, 69%)
CMYK	cmyk(77.3%, 76.7%, 0%, 31%)
CIE-LAB	lab(27.22, 45.78, -70.57)
CIE-LCH	lch(27.22, 84.12, 302.97°)
OKLab	oklab(39.21% 0.0057 -0.2043)
OKLCH	oklch(39.21% 0.204 271.6)
XYZ	xyz(9.5018, 5.1705, 41.5631)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2829B0 #B0AF28

analogous

#286DB0 #2829B0 #6B28B0

triadic

#2829B0 #B02829 #29B028

tetradic

#2829B0 #B0286D #B0AF28 #28B06B

square

#2829B0 #B0286D #B0AF28 #28B06B

split-complementary

#2829B0 #B06B28 #6DB028

monochromatic

#11124C #1D1D7E #2829B0 #4142D4 #7374DF

Accessibility & contrast

On white

10.32

#2829B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2829B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2829B0

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2829B0	#FFFFFF	#000000	##FFFFFF
##2829B0	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#0039AE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2829b0;
/* rgb */ color: rgb(40, 41, 176);
/* oklch */ color: oklch(39.2% 0.204 271.6);

Tailwind

colors: {
  custom: {
    50: '#7a65c9',
    500: '#2829b0',
    950: '#000000',
  },
}

SCSS

$custom: #2829b0;
$custom-light: #7a65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2829b0",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 239.559,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39212,
    "c": 0.20439,
    "h": 271.6
  },
  "luminance": 0.05172
}

Semantic roles & 50–950 ramp

primary

#2829B0

secondary

#C6C66D

accent

#E542E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2829B0

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

Preview Lab → · Contrast checker → · Palette generator →