#3154BF#3154BF

#3154BF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.173 H 266.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3154BF
RGB	rgb(49, 84, 191)
HSL	hsl(225, 59%, 47%)
HSV	hsv(225, 74%, 75%)
CMYK	cmyk(74.3%, 56%, 0%, 25.1%)
CIE-LAB	lab(39.16, 25.26, -59.83)
CIE-LCH	lch(39.16, 64.95, 292.89°)
OKLab	oklab(48.49% -0.0113 -0.1725)
OKLCH	oklch(48.49% 0.173 266.2)
XYZ	xyz(13.8376, 10.7537, 50.6265)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154BF #BF9C31

analogous

#319BBF #3154BF #5531BF

triadic

#3154BF #BF3154 #54BF31

tetradic

#3154BF #BF319B #BF9C31 #31BF55

square

#3154BF #BF319B #BF9C31 #31BF55

split-complementary

#3154BF #BF5531 #9BBF31

monochromatic

#18295E #253F8E #3154BF #5977D4 #8A9FE1

Accessibility & contrast

On white

6.66

#3154BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3154BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3154BF

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154BF	#FFFFFF	#000000	##FFFFFF
##3154BF	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3154bf;
/* rgb */ color: rgb(49, 84, 191);
/* oklch */ color: oklch(48.5% 0.173 266.2);

Tailwind

colors: {
  custom: {
    50: '#7d83d3',
    500: '#3154bf',
    950: '#000000',
  },
}

SCSS

$custom: #3154bf;
$custom-light: #7d83d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3154bf",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 191
  },
  "hsl": {
    "h": 225.211,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48485,
    "c": 0.17289,
    "h": 266.2
  },
  "luminance": 0.10755
}

Semantic roles & 50–950 ramp

primary

#3154BF

secondary

#CBB981

accent

#BC45E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3154BF

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

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