#31589F#31589F

#31589F is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.123 H 261.3°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#31589F
RGB	rgb(49, 88, 159)
HSL	hsl(219, 53%, 41%)
HSV	hsv(219, 69%, 62%)
CMYK	cmyk(69.2%, 44.7%, 0%, 37.6%)
CIE-LAB	lab(38.08, 10.64, -42.67)
CIE-LCH	lch(38.08, 43.97, 284.00°)
OKLab	oklab(46.96% -0.0187 -0.1219)
OKLCH	oklch(46.96% 0.123 261.3)
XYZ	xyz(11.0121, 10.1345, 34.1700)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31589F #9F7831

analogous

#318F9F #31589F #41319F

triadic

#31589F #9F3158 #589F31

tetradic

#31589F #9F318F #9F7831 #319F41

square

#31589F #9F318F #9F7831 #319F41

split-complementary

#31589F #9F4131 #8F9F31

monochromatic

#142441 #233E70 #31589F #4774C6 #7697D5

Accessibility & contrast

On white

6.94

#31589F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#31589F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #31589F

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31589F	#FFFFFF	#000000	##FFFFFF
##31589F	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365FA2

Deuteranopia (green-blind)

#22559E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #31589f;
/* rgb */ color: rgb(49, 88, 159);
/* oklch */ color: oklch(47.0% 0.123 261.3);

Tailwind

colors: {
  custom: {
    50: '#7686bc',
    500: '#31589f',
    950: '#000000',
  },
}

SCSS

$custom: #31589f;
$custom-light: #7686bc;
$custom-dark: #000000;

JSON

{
  "hex": "#31589f",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 159
  },
  "hsl": {
    "h": 218.727,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.46963,
    "c": 0.12337,
    "h": 261.3
  },
  "luminance": 0.10136
}

Semantic roles & 50–950 ramp

primary

#31589F

secondary

#BDA16F

accent

#A94CDC

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #31589F

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

Preview Lab → · Contrast checker → · Palette generator →