#2828A5#2828A5

#2828A5 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.192 H 272.4°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#2828A5
RGB	rgb(40, 40, 165)
HSL	hsl(240, 61%, 40%)
HSV	hsv(240, 76%, 65%)
CMYK	cmyk(75.8%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(25.82, 42.68, -66.26)
CIE-LCH	lch(25.82, 78.82, 302.78°)
OKLab	oklab(37.87% 0.0081 -0.1918)
OKLCH	oklch(37.87% 0.192 272.4)
XYZ	xyz(8.4231, 4.6844, 36.0503)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2828A5 #A5A528

analogous

#2866A5 #2828A5 #6628A5

triadic

#2828A5 #A52828 #28A528

tetradic

#2828A5 #A52866 #A5A528 #28A566

square

#2828A5 #A52866 #A5A528 #28A566

split-complementary

#2828A5 #A56628 #66A528

monochromatic

#101042 #1C1C74 #2828A5 #3B3BCF #6C6CDB

Accessibility & contrast

On white

10.84

#2828A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2828A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2828A5

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2828A5	#FFFFFF	#000000	##FFFFFF
##2828A5	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#0037A3

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2828a5;
/* rgb */ color: rgb(40, 40, 165);
/* oklch */ color: oklch(37.9% 0.192 272.4);

Tailwind

colors: {
  custom: {
    50: '#7764c1',
    500: '#2828a5',
    950: '#000000',
  },
}

SCSS

$custom: #2828a5;
$custom-light: #7764c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2828a5",
  "rgb": {
    "r": 40,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 240,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37868,
    "c": 0.19195,
    "h": 272.4
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#2828A5

secondary

#C2C267

accent

#E444E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2828A5

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

Preview Lab → · Contrast checker → · Palette generator →