#31529F#31529F

#31529F is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.6% C 0.131 H 264.4°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#31529F
RGB	rgb(49, 82, 159)
HSL	hsl(222, 53%, 41%)
HSV	hsv(222, 69%, 62%)
CMYK	cmyk(69.2%, 48.4%, 0%, 37.6%)
CIE-LAB	lab(36.35, 14.58, -45.45)
CIE-LCH	lch(36.35, 47.73, 287.79°)
OKLab	oklab(45.63% -0.0128 -0.1302)
OKLCH	oklch(45.63% 0.131 264.4)
XYZ	xyz(10.5397, 9.1897, 34.0125)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31529F #9F7E31

analogous

#31899F #31529F #47319F

triadic

#31529F #9F3152 #529F31

tetradic

#31529F #9F3189 #9F7E31 #319F47

square

#31529F #9F3189 #9F7E31 #319F47

split-complementary

#31529F #9F4731 #899F31

monochromatic

#142241 #233A70 #31529F #476DC6 #7692D5

Accessibility & contrast

On white

7.40

#31529F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#31529F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31529F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31529F	#FFFFFF	#000000	##FFFFFF
##31529F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295BA2

Deuteranopia (green-blind)

#0F519D

Tritanopia (blue-blind)

#006471

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #31529f;
/* rgb */ color: rgb(49, 82, 159);
/* oklch */ color: oklch(45.6% 0.131 264.4);

Tailwind

colors: {
  custom: {
    50: '#7682bc',
    500: '#31529f',
    950: '#000000',
  },
}

SCSS

$custom: #31529f;
$custom-light: #7682bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31529f",
  "rgb": {
    "r": 49,
    "g": 82,
    "b": 159
  },
  "hsl": {
    "h": 222,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.45631,
    "c": 0.13086,
    "h": 264.4
  },
  "luminance": 0.09191
}

Semantic roles & 50–950 ramp

primary

#31529F

secondary

#BDA56F

accent

#B14CDC

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #31529F

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

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