#3149B8#3149B8

#3149B8 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.8% C 0.177 H 268.9°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3149B8
RGB	rgb(49, 73, 184)
HSL	hsl(229, 58%, 46%)
HSV	hsv(229, 73%, 72%)
CMYK	cmyk(73.4%, 60.3%, 0%, 27.8%)
CIE-LAB	lab(35.75, 29.84, -61.29)
CIE-LCH	lch(35.75, 68.17, 295.96°)
OKLab	oklab(45.76% -0.0035 -0.1769)
OKLCH	oklch(45.76% 0.177 268.9)
XYZ	xyz(12.2979, 8.8775, 46.4035)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149B8 #B8A031

analogous

#318CB8 #3149B8 #5C31B8

triadic

#3149B8 #B83149 #49B831

tetradic

#3149B8 #B8318C #B8A031 #31B85C

square

#3149B8 #B8318C #B8A031 #31B85C

split-complementary

#3149B8 #B85C31 #8CB831

monochromatic

#172357 #243688 #3149B8 #556BD2 #8595DE

Accessibility & contrast

On white

7.57

#3149B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3149B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149B8

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149B8	#FFFFFF	#000000	##FFFFFF
##3149B8	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3149b8;
/* rgb */ color: rgb(49, 73, 184);
/* oklch */ color: oklch(45.8% 0.177 268.9);

Tailwind

colors: {
  custom: {
    50: '#7c7bce',
    500: '#3149b8',
    950: '#000000',
  },
}

SCSS

$custom: #3149b8;
$custom-light: #7c7bce;
$custom-dark: #000000;

JSON

{
  "hex": "#3149b8",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 184
  },
  "hsl": {
    "h": 229.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4576,
    "c": 0.17698,
    "h": 268.9
  },
  "luminance": 0.08879
}

Semantic roles & 50–950 ramp

primary

#3149B8

secondary

#C8BB7D

accent

#C647E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3149B8

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

Preview Lab → · Contrast checker → · Palette generator →