#2848B3#2848B3

#2848B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.174 H 266.4°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#2848B3
RGB	rgb(40, 72, 179)
HSL	hsl(226, 63%, 43%)
HSV	hsv(226, 78%, 70%)
CMYK	cmyk(77.7%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(34.68, 27.60, -60.09)
CIE-LCH	lch(34.68, 66.13, 294.67°)
OKLab	oklab(44.73% -0.0108 -0.1736)
OKLCH	oklch(44.73% 0.174 266.4)
XYZ	xyz(11.3263, 8.3392, 43.6518)
Luminance	0.0834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2848B3 #B39328

analogous

#288DB3 #2848B3 #4D28B3

triadic

#2848B3 #B32848 #48B328

tetradic

#2848B3 #B3288D #B39328 #28B34D

square

#2848B3 #B3288D #B39328 #28B34D

split-complementary

#2848B3 #B34D28 #8DB328

monochromatic

#12204F #1D3481 #2848B3 #4365D5 #758EE0

Accessibility & contrast

On white

7.87

#2848B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2848B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2848B3

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2848B3	#FFFFFF	#000000	##FFFFFF
##2848B3	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2848b3;
/* rgb */ color: rgb(40, 72, 179);
/* oklch */ color: oklch(44.7% 0.174 266.4);

Tailwind

colors: {
  custom: {
    50: '#787acb',
    500: '#2848b3',
    950: '#000000',
  },
}

SCSS

$custom: #2848b3;
$custom-light: #787acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2848b3",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 226.187,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44728,
    "c": 0.17396,
    "h": 266.4
  },
  "luminance": 0.08341
}

Semantic roles & 50–950 ramp

primary

#2848B3

secondary

#C8B36F

accent

#C041E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2848B3

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

Preview Lab → · Contrast checker → · Palette generator →