#3148B9#3148B9

#3148B9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.180 H 269.1°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#3148B9
RGB	rgb(49, 72, 185)
HSL	hsl(230, 58%, 46%)
HSV	hsv(230, 74%, 73%)
CMYK	cmyk(73.5%, 61.1%, 0%, 27.5%)
CIE-LAB	lab(35.58, 30.86, -62.16)
CIE-LCH	lch(35.58, 69.40, 296.40°)
OKLab	oklab(45.66% -0.0028 -0.1795)
OKLCH	oklch(45.66% 0.18 269.1)
XYZ	xyz(12.3379, 8.7892, 46.9358)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148B9 #B9A231

analogous

#318CB9 #3148B9 #5E31B9

triadic

#3148B9 #B93148 #48B931

tetradic

#3148B9 #B9318C #B9A231 #31B95E

square

#3148B9 #B9318C #B9A231 #31B95E

split-complementary

#3148B9 #B95E31 #8CB931

monochromatic

#172258 #243589 #3148B9 #556AD2 #8695DF

Accessibility & contrast

On white

7.61

#3148B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3148B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148B9

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148B9	#FFFFFF	#000000	##FFFFFF
##3148B9	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABD

Deuteranopia (green-blind)

#004DB7

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3148b9;
/* rgb */ color: rgb(49, 72, 185);
/* oklch */ color: oklch(45.7% 0.180 269.1);

Tailwind

colors: {
  custom: {
    50: '#7c7acf',
    500: '#3148b9',
    950: '#000000',
  },
}

SCSS

$custom: #3148b9;
$custom-light: #7c7acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3148b9",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 185
  },
  "hsl": {
    "h": 229.853,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45658,
    "c": 0.17953,
    "h": 269.1
  },
  "luminance": 0.0879
}

Semantic roles & 50–950 ramp

primary

#3148B9

secondary

#C8BC7D

accent

#C746E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3148B9

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

Preview Lab → · Contrast checker → · Palette generator →