#2829B3#2829B3

#2829B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.208 H 271.4°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2829B3
RGB	rgb(40, 41, 179)
HSL	hsl(240, 63%, 43%)
HSV	hsv(240, 78%, 70%)
CMYK	cmyk(77.7%, 77.1%, 0%, 29.8%)
CIE-LAB	lab(27.55, 46.77, -71.82)
CIE-LCH	lch(27.55, 85.70, 303.07°)
OKLab	oklab(39.54% 0.0051 -0.2079)
OKLCH	oklch(39.54% 0.208 271.4)
XYZ	xyz(9.8019, 5.2906, 43.1437)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2829B3 #B3B228

analogous

#286FB3 #2829B3 #6C28B3

triadic

#2829B3 #B32829 #29B328

tetradic

#2829B3 #B3286F #B3B228 #28B36C

square

#2829B3 #B3286F #B3B228 #28B36C

split-complementary

#2829B3 #B36C28 #6FB328

monochromatic

#12124F #1D1E81 #2829B3 #4344D5 #7576E0

Accessibility & contrast

On white

10.20

#2829B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2829B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2829B3

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2829B3	#FFFFFF	#000000	##FFFFFF
##2829B3	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2829b3;
/* rgb */ color: rgb(40, 41, 179);
/* oklch */ color: oklch(39.5% 0.208 271.4);

Tailwind

colors: {
  custom: {
    50: '#7b65cb',
    500: '#2829b3',
    950: '#000000',
  },
}

SCSS

$custom: #2829b3;
$custom-light: #7b65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2829b3",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 179
  },
  "hsl": {
    "h": 239.568,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39543,
    "c": 0.20798,
    "h": 271.4
  },
  "luminance": 0.05292
}

Semantic roles & 50–950 ramp

primary

#2829B3

secondary

#C8C76F

accent

#E541E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2829B3

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

Preview Lab → · Contrast checker → · Palette generator →