#31448E#31448E

#31448E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.124 H 269.5°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#31448E
RGB	rgb(49, 68, 142)
HSL	hsl(228, 49%, 37%)
HSV	hsv(228, 65%, 56%)
CMYK	cmyk(65.5%, 52.1%, 0%, 44.3%)
CIE-LAB	lab(31.21, 17.59, -43.41)
CIE-LCH	lch(31.21, 46.84, 292.06°)
OKLab	oklab(41.35% -0.0012 -0.1244)
OKLCH	oklch(41.35% 0.124 269.5)
XYZ	xyz(8.2146, 6.7395, 26.4539)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31448E #8E7B31

analogous

#31728E #31448E #4D318E

triadic

#31448E #8E3144 #448E31

tetradic

#31448E #8E3172 #8E7B31 #318E4D

square

#31448E #8E3172 #8E7B31 #318E4D

split-complementary

#31448E #8E4D31 #728E31

monochromatic

#121833 #212E61 #31448E #415ABB #6D80CD

Accessibility & contrast

On white

8.94

#31448E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#31448E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31448E

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31448E	#FFFFFF	#000000	##FFFFFF
##31448E	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4E91

Deuteranopia (green-blind)

#00458C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31448e;
/* rgb */ color: rgb(49, 68, 142);
/* oklch */ color: oklch(41.3% 0.124 269.5);

Tailwind

colors: {
  custom: {
    50: '#7377b0',
    500: '#31448e',
    950: '#000000',
  },
}

SCSS

$custom: #31448e;
$custom-light: #7377b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31448e",
  "rgb": {
    "r": 49,
    "g": 68,
    "b": 142
  },
  "hsl": {
    "h": 227.742,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.41347,
    "c": 0.12445,
    "h": 269.5
  },
  "luminance": 0.0674
}

Semantic roles & 50–950 ramp

primary

#31448E

secondary

#B4A467

accent

#BC50D8

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31448E

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

Preview Lab → · Contrast checker → · Palette generator →