#2847A3#2847A3

#2847A3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.153 H 266.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2847A3
RGB	rgb(40, 71, 163)
HSL	hsl(225, 61%, 40%)
HSV	hsv(225, 75%, 64%)
CMYK	cmyk(75.5%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(33.14, 22.15, -53.06)
CIE-LCH	lch(33.14, 57.50, 292.66°)
OKLab	oklab(43.17% -0.0107 -0.153)
OKLCH	oklch(43.17% 0.153 266)
XYZ	xyz(9.7368, 7.6009, 35.5972)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847A3 #A38428

analogous

#2885A3 #2847A3 #4728A3

triadic

#2847A3 #A32847 #47A328

tetradic

#2847A3 #A32885 #A38428 #28A347

square

#2847A3 #A32885 #A38428 #28A347

split-complementary

#2847A3 #A34728 #85A328

monochromatic

#101C41 #1C3272 #2847A3 #3A5FCF #6B87DB

Accessibility & contrast

On white

8.33

#2847A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2847A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847A3

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847A3	#FFFFFF	#000000	##FFFFFF
##2847A3	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2847a3;
/* rgb */ color: rgb(40, 71, 163);
/* oklch */ color: oklch(43.2% 0.153 266.0);

Tailwind

colors: {
  custom: {
    50: '#7479bf',
    500: '#2847a3',
    950: '#000000',
  },
}

SCSS

$custom: #2847a3;
$custom-light: #7479bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2847a3",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 224.878,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43173,
    "c": 0.15335,
    "h": 266
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary

#2847A3

secondary

#C1AA66

accent

#BB44E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2847A3

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

Preview Lab → · Contrast checker → · Palette generator →