#3148BA#3148BA

#3148BA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.181 H 269.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#3148BA
RGB	rgb(49, 72, 186)
HSL	hsl(230, 58%, 46%)
HSV	hsv(230, 74%, 73%)
CMYK	cmyk(73.7%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(35.66, 31.22, -62.61)
CIE-LCH	lch(35.66, 69.97, 296.51°)
OKLab	oklab(45.75% -0.0028 -0.1808)
OKLCH	oklch(45.75% 0.181 269.1)
XYZ	xyz(12.4439, 8.8316, 47.4937)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148BA #BAA331

analogous

#318CBA #3148BA #5E31BA

triadic

#3148BA #BA3148 #48BA31

tetradic

#3148BA #BA318C #BAA331 #31BA5E

square

#3148BA #BA318C #BAA331 #31BA5E

split-complementary

#3148BA #BA5E31 #8CBA31

monochromatic

#172259 #24358A #3148BA #566BD2 #8695DF

Accessibility & contrast

On white

7.59

#3148BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3148BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148BA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148BA	#FFFFFF	#000000	##FFFFFF
##3148BA	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3148ba;
/* rgb */ color: rgb(49, 72, 186);
/* oklch */ color: oklch(45.7% 0.181 269.1);

Tailwind

colors: {
  custom: {
    50: '#7d7ad0',
    500: '#3148ba',
    950: '#000000',
  },
}

SCSS

$custom: #3148ba;
$custom-light: #7d7ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3148ba",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 229.927,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45745,
    "c": 0.18086,
    "h": 269.1
  },
  "luminance": 0.08833
}

Semantic roles & 50–950 ramp

primary

#3148BA

secondary

#C9BC7E

accent

#C746E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3148BA

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

Preview Lab → · Contrast checker → · Palette generator →