#2829B1#2829B1

#2829B1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.206 H 271.5°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2829B1
RGB	rgb(40, 41, 177)
HSL	hsl(240, 63%, 43%)
HSV	hsv(240, 77%, 69%)
CMYK	cmyk(77.4%, 76.8%, 0%, 30.6%)
CIE-LAB	lab(27.33, 46.11, -70.99)
CIE-LCH	lch(27.33, 84.65, 303.01°)
OKLab	oklab(39.32% 0.0055 -0.2055)
OKLCH	oklch(39.32% 0.206 271.5)
XYZ	xyz(9.6011, 5.2103, 42.0861)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2829B1 #B1B028

analogous

#286EB1 #2829B1 #6B28B1

triadic

#2829B1 #B12829 #29B128

tetradic

#2829B1 #B1286E #B1B028 #28B16B

square

#2829B1 #B1286E #B1B028 #28B16B

split-complementary

#2829B1 #B16B28 #6EB128

monochromatic

#11124D #1D1D7F #2829B1 #4243D4 #7475E0

Accessibility & contrast

On white

10.28

#2829B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2829B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2829B1

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2829B1	#FFFFFF	#000000	##FFFFFF
##2829B1	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2829b1;
/* rgb */ color: rgb(40, 41, 177);
/* oklch */ color: oklch(39.3% 0.206 271.5);

Tailwind

colors: {
  custom: {
    50: '#7a65ca',
    500: '#2829b1',
    950: '#000000',
  },
}

SCSS

$custom: #2829b1;
$custom-light: #7a65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2829b1",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 177
  },
  "hsl": {
    "h": 239.562,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39322,
    "c": 0.20559,
    "h": 271.5
  },
  "luminance": 0.05211
}

Semantic roles & 50–950 ramp

primary

#2829B1

secondary

#C7C66E

accent

#E542E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2829B1

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

Preview Lab → · Contrast checker → · Palette generator →