#2848B1#2848B1

#2848B1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.171 H 266.4°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#2848B1
RGB	rgb(40, 72, 177)
HSL	hsl(226, 63%, 43%)
HSV	hsv(226, 77%, 69%)
CMYK	cmyk(77.4%, 59.3%, 0%, 30.6%)
CIE-LAB	lab(34.52, 26.84, -59.17)
CIE-LCH	lch(34.52, 64.98, 294.40°)
OKLab	oklab(44.56% -0.0108 -0.1709)
OKLCH	oklch(44.56% 0.171 266.4)
XYZ	xyz(11.1255, 8.2589, 42.5942)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2848B1 #B19128

analogous

#288DB1 #2848B1 #4C28B1

triadic

#2848B1 #B12848 #48B128

tetradic

#2848B1 #B1288D #B19128 #28B14C

square

#2848B1 #B1288D #B19128 #28B14C

split-complementary

#2848B1 #B14C28 #8DB128

monochromatic

#111F4D #1D347F #2848B1 #4264D4 #748DE0

Accessibility & contrast

On white

7.92

#2848B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2848B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2848B1

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2848B1	#FFFFFF	#000000	##FFFFFF
##2848B1	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2848b1;
/* rgb */ color: rgb(40, 72, 177);
/* oklch */ color: oklch(44.6% 0.171 266.4);

Tailwind

colors: {
  custom: {
    50: '#777ac9',
    500: '#2848b1',
    950: '#000000',
  },
}

SCSS

$custom: #2848b1;
$custom-light: #777ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2848b1",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 177
  },
  "hsl": {
    "h": 225.985,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44555,
    "c": 0.17127,
    "h": 266.4
  },
  "luminance": 0.0826
}

Semantic roles & 50–950 ramp

primary

#2848B1

secondary

#C7B26E

accent

#C042E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2848B1

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

Preview Lab → · Contrast checker → · Palette generator →