#3047AD#3047AD

#3047AD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.165 H 268.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3047AD
RGB	rgb(48, 71, 173)
HSL	hsl(229, 57%, 43%)
HSV	hsv(229, 72%, 68%)
CMYK	cmyk(72.3%, 59%, 0%, 32.2%)
CIE-LAB	lab(34.30, 26.96, -57.14)
CIE-LCH	lch(34.30, 63.18, 295.26°)
OKLab	oklab(44.39% -0.0031 -0.1648)
OKLCH	oklch(44.39% 0.165 268.9)
XYZ	xyz(11.0124, 8.1509, 40.5200)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3047AD #AD9630

analogous

#3085AD #3047AD #5730AD

triadic

#3047AD #AD3047 #47AD30

tetradic

#3047AD #AD3085 #AD9630 #30AD57

square

#3047AD #AD3085 #AD9630 #30AD57

split-complementary

#3047AD #AD5730 #85AD30

monochromatic

#15204D #23337D #3047AD #4D64CE #7D8EDB

Accessibility & contrast

On white

7.98

#3047AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3047AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3047AD

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3047AD	#FFFFFF	#000000	##FFFFFF
##3047AD	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004BAB

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3047ad;
/* rgb */ color: rgb(48, 71, 173);
/* oklch */ color: oklch(44.4% 0.165 268.9);

Tailwind

colors: {
  custom: {
    50: '#797ac6',
    500: '#3047ad',
    950: '#000000',
  },
}

SCSS

$custom: #3047ad;
$custom-light: #797ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3047ad",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 228.96,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44389,
    "c": 0.16484,
    "h": 268.9
  },
  "luminance": 0.08152
}

Semantic roles & 50–950 ramp

primary

#3047AD

secondary

#C3B575

accent

#C448E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3047AD

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

Preview Lab → · Contrast checker → · Palette generator →