#3154AA#3154AA

#3154AA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.144 H 264.7°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#3154AA
RGB	rgb(49, 84, 170)
HSL	hsl(223, 55%, 43%)
HSV	hsv(223, 71%, 67%)
CMYK	cmyk(71.2%, 50.6%, 0%, 33.3%)
CIE-LAB	lab(37.65, 17.39, -49.91)
CIE-LCH	lch(37.65, 52.86, 289.21°)
OKLab	oklab(46.86% -0.0132 -0.1433)
OKLCH	oklch(46.86% 0.144 264.7)
XYZ	xyz(11.6901, 9.8947, 39.3162)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3154AA #AA8731

analogous

#3190AA #3154AA #4B31AA

triadic

#3154AA #AA3154 #54AA31

tetradic

#3154AA #AA3190 #AA8731 #31AA4B

square

#3154AA #AA3190 #AA8731 #31AA4B

split-complementary

#3154AA #AA4B31 #90AA31

monochromatic

#16254B #233D7A #3154AA #4D71CC #7C97D9

Accessibility & contrast

On white

7.05

#3154AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#3154AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3154AA

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3154AA	#FFFFFF	#000000	##FFFFFF
##3154AA	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225EAD

Deuteranopia (green-blind)

#0053A8

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3154aa;
/* rgb */ color: rgb(49, 84, 170);
/* oklch */ color: oklch(46.9% 0.144 264.7);

Tailwind

colors: {
  custom: {
    50: '#7883c4',
    500: '#3154aa',
    950: '#000000',
  },
}

SCSS

$custom: #3154aa;
$custom-light: #7883c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3154aa",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 170
  },
  "hsl": {
    "h": 222.645,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46864,
    "c": 0.14395,
    "h": 264.7
  },
  "luminance": 0.09896
}

Semantic roles & 50–950 ramp

primary

#3154AA

secondary

#C2AC75

accent

#B349DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3154AA

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

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