#3148BC#3148BC

#3148BC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.9% C 0.184 H 269.1°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3148BC
RGB	rgb(49, 72, 188)
HSL	hsl(230, 59%, 46%)
HSV	hsv(230, 74%, 74%)
CMYK	cmyk(73.9%, 61.7%, 0%, 26.3%)
CIE-LAB	lab(35.82, 31.96, -63.52)
CIE-LCH	lch(35.82, 71.10, 296.71°)
OKLab	oklab(45.92% -0.0028 -0.1835)
OKLCH	oklch(45.92% 0.184 269.1)
XYZ	xyz(12.6580, 8.9172, 48.6213)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148BC #BCA531

analogous

#318EBC #3148BC #6031BC

triadic

#3148BC #BC3148 #48BC31

tetradic

#3148BC #BC318E #BCA531 #31BC60

square

#3148BC #BC318E #BCA531 #31BC60

split-complementary

#3148BC #BC6031 #8EBC31

monochromatic

#18235B #24358B #3148BC #576CD3 #8896E0

Accessibility & contrast

On white

7.54

#3148BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3148BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148BC

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148BC	#FFFFFF	#000000	##FFFFFF
##3148BC	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3148bc;
/* rgb */ color: rgb(49, 72, 188);
/* oklch */ color: oklch(45.9% 0.184 269.1);

Tailwind

colors: {
  custom: {
    50: '#7d7ad1',
    500: '#3148bc',
    950: '#000000',
  },
}

SCSS

$custom: #3148bc;
$custom-light: #7d7ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3148bc",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 188
  },
  "hsl": {
    "h": 230.072,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4592,
    "c": 0.18351,
    "h": 269.1
  },
  "luminance": 0.08919
}

Semantic roles & 50–950 ramp

primary

#3148BC

secondary

#CABD7F

accent

#C846E2

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3148BC

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

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