#31496B#31496B

#31496B is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.2% C 0.065 H 257.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#31496B
RGB	rgb(49, 73, 107)
HSL	hsl(215, 37%, 31%)
HSV	hsv(215, 54%, 42%)
CMYK	cmyk(54.2%, 31.8%, 0%, 58%)
CIE-LAB	lab(30.59, 1.55, -22.56)
CIE-LCH	lch(30.59, 22.62, 273.94°)
OKLab	oklab(40.19% -0.0144 -0.0634)
OKLCH	oklch(40.19% 0.065 257.2)
XYZ	xyz(6.3021, 6.4791, 14.8256)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31496B #6B5331

analogous

#31666B #31496B #36316B

triadic

#31496B #6B3149 #496B31

tetradic

#31496B #6B3166 #6B5331 #316B36

square

#31496B #6B3166 #6B5331 #316B36

split-complementary

#31496B #6B3631 #666B31

monochromatic

#0B1017 #1E2C41 #31496B #446695 #6084B6

Accessibility & contrast

On white

9.15

#31496B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#31496B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31496B

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31496B	#FFFFFF	#000000	##FFFFFF
##31496B	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4B6C

Deuteranopia (green-blind)

#35466A

Tritanopia (blue-blind)

#145155

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #31496b;
/* rgb */ color: rgb(49, 73, 107);
/* oklch */ color: oklch(40.2% 0.065 257.2);

Tailwind

colors: {
  custom: {
    50: '#6d7b95',
    500: '#31496b',
    950: '#000000',
  },
}

SCSS

$custom: #31496b;
$custom-light: #6d7b95;
$custom-dark: #000000;

JSON

{
  "hex": "#31496b",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 107
  },
  "hsl": {
    "h": 215.172,
    "s": 37.179,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40189,
    "c": 0.065,
    "h": 257.2
  },
  "luminance": 0.0648
}

Semantic roles & 50–950 ramp

primary

#31496B

secondary

#9C815C

accent

#9E5BCD

background

#F6F7F9

surface

#ECEDF1

border

#C7C8CB

text

#07090D

muted

#7A7B7E

Preview Lab

Preview with #31496B

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

Preview Lab → · Contrast checker → · Palette generator →