#3148AD#3148AD

#3148AD is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.163 H 269.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3148AD
RGB	rgb(49, 72, 173)
HSL	hsl(229, 56%, 44%)
HSV	hsv(229, 72%, 68%)
CMYK	cmyk(71.7%, 58.4%, 0%, 32.2%)
CIE-LAB	lab(34.61, 26.44, -56.63)
CIE-LCH	lch(34.61, 62.50, 295.03°)
OKLab	oklab(44.64% -0.0029 -0.1633)
OKLCH	oklch(44.64% 0.163 269)
XYZ	xyz(11.1242, 8.3037, 40.5436)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148AD #AD9631

analogous

#3186AD #3148AD #5831AD

triadic

#3148AD #AD3148 #48AD31

tetradic

#3148AD #AD3186 #AD9631 #31AD58

square

#3148AD #AD3186 #AD9631 #31AD58

split-complementary

#3148AD #AD5831 #86AD31

monochromatic

#16204E #23347D #3148AD #4E66CD #7E8FDA

Accessibility & contrast

On white

7.89

#3148AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3148AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148AD

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148AD	#FFFFFF	#000000	##FFFFFF
##3148AD	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3148ad;
/* rgb */ color: rgb(49, 72, 173);
/* oklch */ color: oklch(44.6% 0.163 269.0);

Tailwind

colors: {
  custom: {
    50: '#7a7ac6',
    500: '#3148ad',
    950: '#000000',
  },
}

SCSS

$custom: #3148ad;
$custom-light: #7a7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3148ad",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 173
  },
  "hsl": {
    "h": 228.871,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44636,
    "c": 0.16331,
    "h": 269
  },
  "luminance": 0.08305
}

Semantic roles & 50–950 ramp

primary

#3148AD

secondary

#C3B577

accent

#C349DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3148AD

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

Preview Lab → · Contrast checker → · Palette generator →