#2844B0#2844B0

#2844B0 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.175 H 267.3°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2844B0
RGB	rgb(40, 68, 176)
HSL	hsl(228, 63%, 42%)
HSV	hsv(228, 77%, 69%)
CMYK	cmyk(77.3%, 61.4%, 0%, 31%)
CIE-LAB	lab(33.39, 29.11, -60.42)
CIE-LCH	lch(33.39, 67.06, 295.72°)
OKLab	oklab(43.69% -0.0082 -0.1746)
OKLCH	oklch(43.69% 0.175 267.3)
XYZ	xyz(10.7759, 7.7187, 41.9878)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2844B0 #B09428

analogous

#2888B0 #2844B0 #5028B0

triadic

#2844B0 #B02844 #44B028

tetradic

#2844B0 #B02888 #B09428 #28B050

square

#2844B0 #B02888 #B09428 #28B050

split-complementary

#2844B0 #B05028 #88B028

monochromatic

#111D4C #1D317E #2844B0 #415FD4 #7389DF

Accessibility & contrast

On white

8.25

#2844B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2844B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2844B0

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2844B0	#FFFFFF	#000000	##FFFFFF
##2844B0	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B4

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2844b0;
/* rgb */ color: rgb(40, 68, 176);
/* oklch */ color: oklch(43.7% 0.175 267.3);

Tailwind

colors: {
  custom: {
    50: '#7777c8',
    500: '#2844b0',
    950: '#000000',
  },
}

SCSS

$custom: #2844b0;
$custom-light: #7777c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2844b0",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 176
  },
  "hsl": {
    "h": 227.647,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43691,
    "c": 0.17482,
    "h": 267.3
  },
  "luminance": 0.0772
}

Semantic roles & 50–950 ramp

primary

#2844B0

secondary

#C6B46D

accent

#C442E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2844B0

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

Preview Lab → · Contrast checker → · Palette generator →