#3154B8#3154B8

#3154B8 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.163 H 265.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3154B8
RGB	rgb(49, 84, 184)
HSL	hsl(224, 58%, 46%)
HSV	hsv(224, 73%, 72%)
CMYK	cmyk(73.4%, 54.3%, 0%, 27.8%)
CIE-LAB	lab(38.64, 22.65, -56.58)
CIE-LCH	lch(38.64, 60.94, 291.82°)
OKLab	oklab(47.93% -0.0118 -0.163)
OKLCH	oklch(47.93% 0.163 265.9)
XYZ	xyz(13.0856, 10.4529, 46.6661)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154B8 #B89531

analogous

#3198B8 #3154B8 #5131B8

triadic

#3154B8 #B83154 #54B831

tetradic

#3154B8 #B83198 #B89531 #31B851

square

#3154B8 #B83198 #B89531 #31B851

split-complementary

#3154B8 #B85131 #98B831

monochromatic

#172857 #243E88 #3154B8 #5575D2 #859CDE

Accessibility & contrast

On white

6.79

#3154B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3154B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154B8

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154B8	#FFFFFF	#000000	##FFFFFF
##3154B8	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BB

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3154b8;
/* rgb */ color: rgb(49, 84, 184);
/* oklch */ color: oklch(47.9% 0.163 265.9);

Tailwind

colors: {
  custom: {
    50: '#7b83ce',
    500: '#3154b8',
    950: '#000000',
  },
}

SCSS

$custom: #3154b8;
$custom-light: #7b83ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3154b8",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 184
  },
  "hsl": {
    "h": 224.444,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4793,
    "c": 0.16338,
    "h": 265.9
  },
  "luminance": 0.10454
}

Semantic roles & 50–950 ramp

primary

#3154B8

secondary

#C8B47D

accent

#B947E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3154B8

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

Preview Lab → · Contrast checker → · Palette generator →