#2947B4#2947B4

#2947B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.176 H 267.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#2947B4
RGB	rgb(41, 71, 180)
HSL	hsl(227, 63%, 43%)
HSV	hsv(227, 77%, 71%)
CMYK	cmyk(77.2%, 60.6%, 0%, 29.4%)
CIE-LAB	lab(34.54, 28.75, -60.91)
CIE-LCH	lch(34.54, 67.35, 295.26°)
OKLab	oklab(44.66% -0.0093 -0.176)
OKLCH	oklch(44.66% 0.176 267)
XYZ	xyz(11.4030, 8.2719, 44.1668)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2947B4 #B49629

analogous

#298CB4 #2947B4 #5029B4

triadic

#2947B4 #B42947 #47B429

tetradic

#2947B4 #B4298C #B49629 #29B450

square

#2947B4 #B4298C #B49629 #29B450

split-complementary

#2947B4 #B45029 #8CB429

monochromatic

#122050 #1E3382 #2947B4 #4564D5 #778EE0

Accessibility & contrast

On white

7.91

#2947B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2947B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2947B4

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2947B4	#FFFFFF	#000000	##FFFFFF
##2947B4	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2947b4;
/* rgb */ color: rgb(41, 71, 180);
/* oklch */ color: oklch(44.7% 0.176 267.0);

Tailwind

colors: {
  custom: {
    50: '#7979cb',
    500: '#2947b4',
    950: '#000000',
  },
}

SCSS

$custom: #2947b4;
$custom-light: #7979cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2947b4",
  "rgb": {
    "r": 41,
    "g": 71,
    "b": 180
  },
  "hsl": {
    "h": 227.05,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44663,
    "c": 0.17625,
    "h": 267
  },
  "luminance": 0.08273
}

Semantic roles & 50–950 ramp

primary

#2947B4

secondary

#C8B571

accent

#C342E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2947B4

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

Preview Lab → · Contrast checker → · Palette generator →