#2824A8#2824A8

#2824A8 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.7% C 0.199 H 272.6°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2824A8
RGB	rgb(40, 36, 168)
HSL	hsl(242, 65%, 40%)
HSV	hsv(242, 79%, 66%)
CMYK	cmyk(76.2%, 78.6%, 0%, 34.1%)
CIE-LAB	lab(25.38, 45.86, -68.80)
CIE-LCH	lch(25.38, 82.69, 303.69°)
OKLab	oklab(37.66% 0.0092 -0.1991)
OKLCH	oklch(37.66% 0.199 272.6)
XYZ	xyz(8.5715, 4.5391, 37.4626)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2824A8 #A4A824

analogous

#2462A8 #2824A8 #6A24A8

triadic

#2824A8 #A82824 #24A828

tetradic

#2824A8 #A82462 #A4A824 #24A86A

square

#2824A8 #A82462 #A4A824 #24A86A

split-complementary

#2824A8 #A86A24 #62A824

monochromatic

#100E43 #1C1976 #2824A8 #3A35D4 #6B68DF

Accessibility & contrast

On white

11.01

#2824A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2824A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2824A8

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2824A8	#FFFFFF	#000000	##FFFFFF
##2824A8	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2824a8;
/* rgb */ color: rgb(40, 36, 168);
/* oklch */ color: oklch(37.7% 0.199 272.6);

Tailwind

colors: {
  custom: {
    50: '#7861c3',
    500: '#2824a8',
    950: '#000000',
  },
}

SCSS

$custom: #2824a8;
$custom-light: #7861c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2824a8",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 241.818,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.19932,
    "h": 272.6
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#2824A8

secondary

#C1C463

accent

#E840E3

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2824A8

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

Preview Lab → · Contrast checker → · Palette generator →