#2829B4#2829B4

#2829B4 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.209 H 271.3°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#2829B4
RGB	rgb(40, 41, 180)
HSL	hsl(240, 64%, 43%)
HSV	hsv(240, 78%, 71%)
CMYK	cmyk(77.8%, 77.2%, 0%, 29.4%)
CIE-LAB	lab(27.66, 47.10, -72.23)
CIE-LCH	lch(27.66, 86.23, 303.11°)
OKLab	oklab(39.65% 0.0049 -0.2091)
OKLCH	oklch(39.65% 0.209 271.3)
XYZ	xyz(9.9034, 5.3312, 43.6782)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2829B4 #B4B328

analogous

#286FB4 #2829B4 #6D28B4

triadic

#2829B4 #B42829 #29B428

tetradic

#2829B4 #B4286F #B4B328 #28B46D

square

#2829B4 #B4286F #B4B328 #28B46D

split-complementary

#2829B4 #B46D28 #6FB428

monochromatic

#121250 #1D1E82 #2829B4 #4445D5 #7677E1

Accessibility & contrast

On white

10.16

#2829B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2829B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2829B4

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2829B4	#FFFFFF	#000000	##FFFFFF
##2829B4	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003AB2

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2829b4;
/* rgb */ color: rgb(40, 41, 180);
/* oklch */ color: oklch(39.7% 0.209 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b65cc',
    500: '#2829b4',
    950: '#000000',
  },
}

SCSS

$custom: #2829b4;
$custom-light: #7b65cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2829b4",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 180
  },
  "hsl": {
    "h": 239.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.39654,
    "c": 0.20918,
    "h": 271.3
  },
  "luminance": 0.05332
}

Semantic roles & 50–950 ramp

primary

#2829B4

secondary

#C8C770

accent

#E541E7

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2829B4

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

Preview Lab → · Contrast checker → · Palette generator →