#2828A3#2828A3

#2828A3 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.189 H 272.6°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2828A3
RGB	rgb(40, 40, 163)
HSL	hsl(240, 61%, 40%)
HSV	hsv(240, 75%, 64%)
CMYK	cmyk(75.5%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(25.60, 42.00, -65.41)
CIE-LCH	lch(25.60, 77.73, 302.71°)
OKLab	oklab(37.65% 0.0085 -0.1893)
OKLCH	oklch(37.65% 0.189 272.6)
XYZ	xyz(8.2425, 4.6122, 35.0991)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A3 #A3A328

analogous

#2866A3 #2828A3 #6628A3

triadic

#2828A3 #A32828 #28A328

tetradic

#2828A3 #A32866 #A3A328 #28A366

square

#2828A3 #A32866 #A3A328 #28A366

split-complementary

#2828A3 #A36628 #66A328

monochromatic

#101041 #1C1C72 #2828A3 #3A3ACF #6B6BDB

Accessibility & contrast

On white

10.92

#2828A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2828A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A3

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A3	#FFFFFF	#000000	##FFFFFF
##2828A3	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A7

Deuteranopia (green-blind)

#0037A1

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2828a3;
/* rgb */ color: rgb(40, 40, 163);
/* oklch */ color: oklch(37.7% 0.189 272.6);

Tailwind

colors: {
  custom: {
    50: '#7764c0',
    500: '#2828a3',
    950: '#000000',
  },
}

SCSS

$custom: #2828a3;
$custom-light: #7764c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a3",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 240,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37651,
    "c": 0.18949,
    "h": 272.6
  },
  "luminance": 0.04613
}

Semantic roles & 50–950 ramp

primary

#2828A3

secondary

#C1C166

accent

#E444E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2828A3

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

Preview Lab → · Contrast checker → · Palette generator →