#3154AB#3154AB

#3154AB is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.145 H 264.8°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#3154AB
RGB	rgb(49, 84, 171)
HSL	hsl(223, 55%, 43%)
HSV	hsv(223, 71%, 67%)
CMYK	cmyk(71.3%, 50.9%, 0%, 32.9%)
CIE-LAB	lab(37.72, 17.77, -50.40)
CIE-LCH	lch(37.72, 53.44, 289.42°)
OKLab	oklab(46.94% -0.0131 -0.1448)
OKLCH	oklch(46.94% 0.145 264.8)
XYZ	xyz(11.7850, 9.9327, 39.8163)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154AB #AB8831

analogous

#3191AB #3154AB #4B31AB

triadic

#3154AB #AB3154 #54AB31

tetradic

#3154AB #AB3191 #AB8831 #31AB4B

square

#3154AB #AB3191 #AB8831 #31AB4B

split-complementary

#3154AB #AB4B31 #91AB31

monochromatic

#16254C #233D7B #3154AB #4D72CC #7D97DA

Accessibility & contrast

On white

7.03

#3154AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#3154AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3154AB

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154AB	#FFFFFF	#000000	##FFFFFF
##3154AB	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205FAE

Deuteranopia (green-blind)

#0053A9

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3154ab;
/* rgb */ color: rgb(49, 84, 171);
/* oklch */ color: oklch(46.9% 0.145 264.8);

Tailwind

colors: {
  custom: {
    50: '#7983c5',
    500: '#3154ab',
    950: '#000000',
  },
}

SCSS

$custom: #3154ab;
$custom-light: #7983c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3154ab",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 171
  },
  "hsl": {
    "h": 222.787,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46938,
    "c": 0.14535,
    "h": 264.8
  },
  "luminance": 0.09934
}

Semantic roles & 50–950 ramp

primary

#3154AB

secondary

#C2AC75

accent

#B449DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3154AB

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

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