#3147B9#3147B9

#3147B9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.181 H 269.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#3147B9
RGB	rgb(49, 71, 185)
HSL	hsl(230, 58%, 46%)
HSV	hsv(230, 74%, 73%)
CMYK	cmyk(73.5%, 61.6%, 0%, 27.5%)
CIE-LAB	lab(35.32, 31.51, -62.57)
CIE-LCH	lch(35.32, 70.06, 296.73°)
OKLab	oklab(45.47% -0.0021 -0.1807)
OKLCH	oklch(45.47% 0.181 269.3)
XYZ	xyz(12.2738, 8.6609, 46.9144)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147B9 #B9A331

analogous

#318BB9 #3147B9 #5F31B9

triadic

#3147B9 #B93147 #47B931

tetradic

#3147B9 #B9318B #B9A331 #31B95F

square

#3147B9 #B9318B #B9A331 #31B95F

split-complementary

#3147B9 #B95F31 #8BB931

monochromatic

#172258 #243489 #3147B9 #5569D2 #8694DF

Accessibility & contrast

On white

7.69

#3147B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3147B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147B9

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147B9	#FFFFFF	#000000	##FFFFFF
##3147B9	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABD

Deuteranopia (green-blind)

#004DB7

Tritanopia (blue-blind)

#006479

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3147b9;
/* rgb */ color: rgb(49, 71, 185);
/* oklch */ color: oklch(45.5% 0.181 269.3);

Tailwind

colors: {
  custom: {
    50: '#7d7acf',
    500: '#3147b9',
    950: '#000000',
  },
}

SCSS

$custom: #3147b9;
$custom-light: #7d7acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3147b9",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 185
  },
  "hsl": {
    "h": 230.294,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45471,
    "c": 0.18074,
    "h": 269.3
  },
  "luminance": 0.08662
}

Semantic roles & 50–950 ramp

primary

#3147B9

secondary

#C8BC7D

accent

#C846E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3147B9

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

Preview Lab → · Contrast checker → · Palette generator →