#3148AF#3148AF

#3148AF is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.166 H 269.0°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3148AF
RGB	rgb(49, 72, 175)
HSL	hsl(229, 56%, 44%)
HSV	hsv(229, 72%, 69%)
CMYK	cmyk(72%, 58.9%, 0%, 31.4%)
CIE-LAB	lab(34.77, 27.18, -57.56)
CIE-LCH	lch(34.77, 63.66, 295.28°)
OKLab	oklab(44.8% -0.0028 -0.166)
OKLCH	oklch(44.8% 0.166 269)
XYZ	xyz(11.3192, 8.3817, 41.5704)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148AF #AF9831

analogous

#3187AF #3148AF #5931AF

triadic

#3148AF #AF3148 #48AF31

tetradic

#3148AF #AF3187 #AF9831 #31AF59

square

#3148AF #AF3187 #AF9831 #31AF59

split-complementary

#3148AF #AF5931 #87AF31

monochromatic

#16214F #24347F #3148AF #4F66CE #7F90DB

Accessibility & contrast

On white

7.85

#3148AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3148AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148AF

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148AF	#FFFFFF	#000000	##FFFFFF
##3148AF	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B2

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#006274

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3148af;
/* rgb */ color: rgb(49, 72, 175);
/* oklch */ color: oklch(44.8% 0.166 269.0);

Tailwind

colors: {
  custom: {
    50: '#7a7ac8',
    500: '#3148af',
    950: '#000000',
  },
}

SCSS

$custom: #3148af;
$custom-light: #7a7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3148af",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 175
  },
  "hsl": {
    "h": 229.048,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44803,
    "c": 0.16604,
    "h": 269
  },
  "luminance": 0.08383
}

Semantic roles & 50–950 ramp

primary

#3148AF

secondary

#C4B678

accent

#C448E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3148AF

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

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