#2845B3#2845B3

#2845B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.178 H 267.1°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2845B3
RGB	rgb(40, 69, 179)
HSL	hsl(227, 63%, 43%)
HSV	hsv(227, 78%, 70%)
CMYK	cmyk(77.7%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(33.90, 29.58, -61.36)
CIE-LCH	lch(33.90, 68.12, 295.73°)
OKLab	oklab(44.15% -0.0088 -0.1774)
OKLCH	oklch(44.15% 0.178 267.1)
XYZ	xyz(11.1370, 7.9608, 43.5887)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2845B3 #B39628

analogous

#288AB3 #2845B3 #5028B3

triadic

#2845B3 #B32845 #45B328

tetradic

#2845B3 #B3288A #B39628 #28B350

square

#2845B3 #B3288A #B39628 #28B350

split-complementary

#2845B3 #B35028 #8AB328

monochromatic

#121E4F #1D3281 #2845B3 #4362D5 #758CE0

Accessibility & contrast

On white

8.10

#2845B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2845B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2845B3

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2845B3	#FFFFFF	#000000	##FFFFFF
##2845B3	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2845b3;
/* rgb */ color: rgb(40, 69, 179);
/* oklch */ color: oklch(44.1% 0.178 267.1);

Tailwind

colors: {
  custom: {
    50: '#7878cb',
    500: '#2845b3',
    950: '#000000',
  },
}

SCSS

$custom: #2845b3;
$custom-light: #7878cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2845b3",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 227.482,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44148,
    "c": 0.17762,
    "h": 267.1
  },
  "luminance": 0.07962
}

Semantic roles & 50–950 ramp

primary

#2845B3

secondary

#C8B56F

accent

#C441E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2845B3

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

Preview Lab → · Contrast checker → · Palette generator →