#3150BB#3150BB

#3150BB is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.172 H 267.2°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3150BB
RGB	rgb(49, 80, 187)
HSL	hsl(227, 58%, 46%)
HSV	hsv(227, 74%, 73%)
CMYK	cmyk(73.8%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(37.80, 26.39, -59.71)
CIE-LCH	lch(37.80, 65.28, 293.84°)
OKLab	oklab(47.37% -0.0085 -0.1722)
OKLCH	oklch(47.37% 0.172 267.2)
XYZ	xyz(13.1018, 9.9767, 48.2393)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3150BB #BB9C31

analogous

#3195BB #3150BB #5731BB

triadic

#3150BB #BB3150 #50BB31

tetradic

#3150BB #BB3195 #BB9C31 #31BB57

square

#3150BB #BB3195 #BB9C31 #31BB57

split-complementary

#3150BB #BB5731 #95BB31

monochromatic

#18275A #243B8B #3150BB #5672D3 #879BE0

Accessibility & contrast

On white

7.01

#3150BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3150BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3150BB

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3150BB	#FFFFFF	#000000	##FFFFFF
##3150BB	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3150bb;
/* rgb */ color: rgb(49, 80, 187);
/* oklch */ color: oklch(47.4% 0.172 267.2);

Tailwind

colors: {
  custom: {
    50: '#7c80d0',
    500: '#3150bb',
    950: '#000000',
  },
}

SCSS

$custom: #3150bb;
$custom-light: #7c80d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3150bb",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 226.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47367,
    "c": 0.17242,
    "h": 267.2
  },
  "luminance": 0.09978
}

Semantic roles & 50–950 ramp

primary

#3150BB

secondary

#C9B87F

accent

#BF46E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3150BB

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

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