#3154BB#3154BB

#3154BB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.2% C 0.167 H 266.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3154BB
RGB	rgb(49, 84, 187)
HSL	hsl(225, 58%, 46%)
HSV	hsv(225, 74%, 73%)
CMYK	cmyk(73.8%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(38.86, 23.77, -57.98)
CIE-LCH	lch(38.86, 62.66, 292.29°)
OKLab	oklab(48.17% -0.0116 -0.1671)
OKLCH	oklch(48.17% 0.167 266)
XYZ	xyz(13.4034, 10.5800, 48.3398)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154BB #BB9831

analogous

#3199BB #3154BB #5331BB

triadic

#3154BB #BB3154 #54BB31

tetradic

#3154BB #BB3199 #BB9831 #31BB53

square

#3154BB #BB3199 #BB9831 #31BB53

split-complementary

#3154BB #BB5331 #99BB31

monochromatic

#18285A #243E8B #3154BB #5676D3 #879DE0

Accessibility & contrast

On white

6.74

#3154BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3154BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154BB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154BB	#FFFFFF	#000000	##FFFFFF
##3154BB	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3154bb;
/* rgb */ color: rgb(49, 84, 187);
/* oklch */ color: oklch(48.2% 0.167 266.0);

Tailwind

colors: {
  custom: {
    50: '#7c83d0',
    500: '#3154bb',
    950: '#000000',
  },
}

SCSS

$custom: #3154bb;
$custom-light: #7c83d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3154bb",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 224.783,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48166,
    "c": 0.16747,
    "h": 266
  },
  "luminance": 0.10581
}

Semantic roles & 50–950 ramp

primary

#3154BB

secondary

#C9B67F

accent

#BA46E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3154BB

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

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