#31449D#31449D

#31449D is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.146 H 270.0°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#31449D
RGB	rgb(49, 68, 157)
HSL	hsl(229, 52%, 40%)
HSV	hsv(229, 69%, 62%)
CMYK	cmyk(68.8%, 56.7%, 0%, 38.4%)
CIE-LAB	lab(32.30, 23.16, -50.77)
CIE-LCH	lch(32.30, 55.81, 294.52°)
OKLab	oklab(42.52% -0.0001 -0.1461)
OKLCH	oklch(42.52% 0.146 270)
XYZ	xyz(9.4175, 7.2206, 32.7892)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31449D #9D8A31

analogous

#317A9D #31449D #54319D

triadic

#31449D #9D3144 #449D31

tetradic

#31449D #9D317A #9D8A31 #319D54

square

#31449D #9D317A #9D8A31 #319D54

split-complementary

#31449D #9D5431 #7A9D31

monochromatic

#141C40 #22306E #31449D #465CC5 #7585D4

Accessibility & contrast

On white

8.59

#31449D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#31449D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31449D

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31449D	#FFFFFF	#000000	##FFFFFF
##31449D	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #31449d;
/* rgb */ color: rgb(49, 68, 157);
/* oklch */ color: oklch(42.5% 0.146 270.0);

Tailwind

colors: {
  custom: {
    50: '#7777bb',
    500: '#31449d',
    950: '#000000',
  },
}

SCSS

$custom: #31449d;
$custom-light: #7777bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31449d",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 157
  },
  "hsl": {
    "h": 229.444,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42523,
    "c": 0.14611,
    "h": 270
  },
  "luminance": 0.07222
}

Semantic roles & 50–950 ramp

primary

#31449D

secondary

#BCAE6E

accent

#C34CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31449D

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

Preview Lab → · Contrast checker → · Palette generator →