#2845B0#2845B0

#2845B0 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.174 H 267.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2845B0
RGB	rgb(40, 69, 176)
HSL	hsl(227, 63%, 42%)
HSV	hsv(227, 77%, 69%)
CMYK	cmyk(77.3%, 60.8%, 0%, 31%)
CIE-LAB	lab(33.65, 28.45, -60.00)
CIE-LCH	lch(33.65, 66.40, 295.37°)
OKLab	oklab(43.88% -0.0088 -0.1734)
OKLCH	oklch(43.88% 0.174 267.1)
XYZ	xyz(10.8369, 7.8407, 42.0081)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2845B0 #B09328

analogous

#2889B0 #2845B0 #4F28B0

triadic

#2845B0 #B02845 #45B028

tetradic

#2845B0 #B02889 #B09328 #28B04F

square

#2845B0 #B02889 #B09328 #28B04F

split-complementary

#2845B0 #B04F28 #89B028

monochromatic

#111E4C #1D317E #2845B0 #4161D4 #738ADF

Accessibility & contrast

On white

8.18

#2845B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2845B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2845B0

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2845B0	#FFFFFF	#000000	##FFFFFF
##2845B0	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B4

Deuteranopia (green-blind)

#0049AE

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2845b0;
/* rgb */ color: rgb(40, 69, 176);
/* oklch */ color: oklch(43.9% 0.174 267.1);

Tailwind

colors: {
  custom: {
    50: '#7778c8',
    500: '#2845b0',
    950: '#000000',
  },
}

SCSS

$custom: #2845b0;
$custom-light: #7778c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2845b0",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 176
  },
  "hsl": {
    "h": 227.206,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43883,
    "c": 0.17361,
    "h": 267.1
  },
  "luminance": 0.07842
}

Semantic roles & 50–950 ramp

primary

#2845B0

secondary

#C6B36D

accent

#C342E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2845B0

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

Preview Lab → · Contrast checker → · Palette generator →