#31549F#31549F

#31549F is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.1% C 0.128 H 263.4°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#31549F
RGB	rgb(49, 84, 159)
HSL	hsl(221, 53%, 41%)
HSV	hsv(221, 69%, 62%)
CMYK	cmyk(69.2%, 47.2%, 0%, 37.6%)
CIE-LAB	lab(36.92, 13.26, -44.53)
CIE-LCH	lch(36.92, 46.46, 286.58°)
OKLab	oklab(46.07% -0.0147 -0.1275)
OKLCH	oklch(46.07% 0.128 263.4)
XYZ	xyz(10.6927, 9.4958, 34.0635)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31549F #9F7C31

analogous

#318B9F #31549F #45319F

triadic

#31549F #9F3154 #549F31

tetradic

#31549F #9F318B #9F7C31 #319F45

square

#31549F #9F318B #9F7C31 #319F45

split-complementary

#31549F #9F4531 #8B9F31

monochromatic

#142341 #233B70 #31549F #476FC6 #7694D5

Accessibility & contrast

On white

7.24

#31549F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#31549F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31549F

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31549F	#FFFFFF	#000000	##FFFFFF
##31549F	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA2

Deuteranopia (green-blind)

#17529D

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #31549f;
/* rgb */ color: rgb(49, 84, 159);
/* oklch */ color: oklch(46.1% 0.128 263.4);

Tailwind

colors: {
  custom: {
    50: '#7683bc',
    500: '#31549f',
    950: '#000000',
  },
}

SCSS

$custom: #31549f;
$custom-light: #7683bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31549f",
  "rgb": {
    "r": 49,
    "g": 84,
    "b": 159
  },
  "hsl": {
    "h": 220.909,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46071,
    "c": 0.12833,
    "h": 263.4
  },
  "luminance": 0.09497
}

Semantic roles & 50–950 ramp

primary

#31549F

secondary

#BDA46F

accent

#AE4CDC

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #31549F

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

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