#2847A7#2847A7

#2847A7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.159 H 266.2°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2847A7
RGB	rgb(40, 71, 167)
HSL	hsl(225, 61%, 41%)
HSV	hsv(225, 76%, 65%)
CMYK	cmyk(76%, 57.5%, 0%, 34.5%)
CIE-LAB	lab(33.45, 23.69, -54.95)
CIE-LCH	lch(33.45, 59.84, 293.32°)
OKLab	oklab(43.51% -0.0105 -0.1585)
OKLCH	oklch(43.51% 0.159 266.2)
XYZ	xyz(10.1009, 7.7465, 37.5146)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2847A7 #A78828

analogous

#2887A7 #2847A7 #4828A7

triadic

#2847A7 #A72847 #47A728

tetradic

#2847A7 #A72887 #A78828 #28A748

square

#2847A7 #A72887 #A78828 #28A748

split-complementary

#2847A7 #A74828 #87A728

monochromatic

#101D44 #1C3276 #2847A7 #3C60D0 #6D88DC

Accessibility & contrast

On white

8.24

#2847A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2847A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2847A7

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2847A7	#FFFFFF	#000000	##FFFFFF
##2847A7	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AA

Deuteranopia (green-blind)

#0049A5

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2847a7;
/* rgb */ color: rgb(40, 71, 167);
/* oklch */ color: oklch(43.5% 0.159 266.2);

Tailwind

colors: {
  custom: {
    50: '#7579c2',
    500: '#2847a7',
    950: '#000000',
  },
}

SCSS

$custom: #2847a7;
$custom-light: #7579c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2847a7",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 167
  },
  "hsl": {
    "h": 225.354,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43506,
    "c": 0.15889,
    "h": 266.2
  },
  "luminance": 0.07748
}

Semantic roles & 50–950 ramp

primary

#2847A7

secondary

#C3AD68

accent

#BD43E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2847A7

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

Preview Lab → · Contrast checker → · Palette generator →