#2845B4#2845B4

#2845B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.179 H 267.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#2845B4
RGB	rgb(40, 69, 180)
HSL	hsl(228, 64%, 43%)
HSV	hsv(228, 78%, 71%)
CMYK	cmyk(77.8%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(33.99, 29.95, -61.82)
CIE-LCH	lch(33.99, 68.69, 295.85°)
OKLab	oklab(44.24% -0.0088 -0.1787)
OKLCH	oklch(44.24% 0.179 267.2)
XYZ	xyz(11.2385, 8.0014, 44.1233)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2845B4 #B49728

analogous

#288BB4 #2845B4 #5128B4

triadic

#2845B4 #B42845 #45B428

tetradic

#2845B4 #B4288B #B49728 #28B451

square

#2845B4 #B4288B #B49728 #28B451

split-complementary

#2845B4 #B45128 #8BB428

monochromatic

#121F50 #1D3282 #2845B4 #4462D5 #768CE1

Accessibility & contrast

On white

8.08

#2845B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2845B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2845B4

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2845B4	#FFFFFF	#000000	##FFFFFF
##2845B4	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2845b4;
/* rgb */ color: rgb(40, 69, 180);
/* oklch */ color: oklch(44.2% 0.179 267.2);

Tailwind

colors: {
  custom: {
    50: '#7878cb',
    500: '#2845b4',
    950: '#000000',
  },
}

SCSS

$custom: #2845b4;
$custom-light: #7878cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2845b4",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 227.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44237,
    "c": 0.17895,
    "h": 267.2
  },
  "luminance": 0.08003
}

Semantic roles & 50–950 ramp

primary

#2845B4

secondary

#C8B670

accent

#C441E7

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2845B4

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

Preview Lab → · Contrast checker → · Palette generator →