#31448A#31448A

#31448A is a dark, moderate blue. Relative luminance 0.066; OKLCH L 41.0% C 0.119 H 269.2°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#31448A
RGB	rgb(49, 68, 138)
HSL	hsl(227, 48%, 37%)
HSV	hsv(227, 64%, 54%)
CMYK	cmyk(64.5%, 50.7%, 0%, 45.9%)
CIE-LAB	lab(30.93, 16.10, -41.39)
CIE-LCH	lch(30.93, 44.42, 291.26°)
OKLab	oklab(41.05% -0.0016 -0.1185)
OKLCH	oklch(41.05% 0.119 269.2)
XYZ	xyz(7.9196, 6.6215, 24.9006)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31448A #8A7731

analogous

#31718A #31448A #4B318A

triadic

#31448A #8A3144 #448A31

tetradic

#31448A #8A3171 #8A7731 #318A4B

square

#31448A #8A3171 #8A7731 #318A4B

split-complementary

#31448A #8A4B31 #718A31

monochromatic

#111730 #212E5D #31448A #415AB7 #6B7FCA

Accessibility & contrast

On white

9.03

#31448A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#31448A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31448A

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31448A	#FFFFFF	#000000	##FFFFFF
##31448A	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4D8D

Deuteranopia (green-blind)

#0A4589

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31448a;
/* rgb */ color: rgb(49, 68, 138);
/* oklch */ color: oklch(41.0% 0.119 269.2);

Tailwind

colors: {
  custom: {
    50: '#7377ad',
    500: '#31448a',
    950: '#000000',
  },
}

SCSS

$custom: #31448a;
$custom-light: #7377ad;
$custom-dark: #000000;

JSON

{
  "hex": "#31448a",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 138
  },
  "hsl": {
    "h": 227.191,
    "s": 47.594,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41048,
    "c": 0.11852,
    "h": 269.2
  },
  "luminance": 0.06622
}

Semantic roles & 50–950 ramp

primary

#31448A

secondary

#B2A165

accent

#BA51D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31448A

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

Preview Lab → · Contrast checker → · Palette generator →