#31459A#31459A

#31459A is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.141 H 269.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#31459A
RGB	rgb(49, 69, 154)
HSL	hsl(229, 52%, 40%)
HSV	hsv(229, 68%, 60%)
CMYK	cmyk(68.2%, 55.2%, 0%, 39.6%)
CIE-LAB	lab(32.35, 21.38, -48.88)
CIE-LCH	lch(32.35, 53.35, 293.62°)
OKLab	oklab(42.49% -0.0011 -0.1405)
OKLCH	oklch(42.49% 0.141 269.5)
XYZ	xyz(9.2255, 7.2414, 31.4771)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31459A #9A8631

analogous

#317A9A #31459A #51319A

triadic

#31459A #9A3145 #459A31

tetradic

#31459A #9A317A #9A8631 #319A51

square

#31459A #9A317A #9A8631 #319A51

split-complementary

#31459A #9A5131 #7A9A31

monochromatic

#131B3D #22306C #31459A #455DC4 #7385D2

Accessibility & contrast

On white

8.58

#31459A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#31459A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31459A

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31459A	#FFFFFF	#000000	##FFFFFF
##31459A	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04519D

Deuteranopia (green-blind)

#004898

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #31459a;
/* rgb */ color: rgb(49, 69, 154);
/* oklch */ color: oklch(42.5% 0.141 269.5);

Tailwind

colors: {
  custom: {
    50: '#7678b8',
    500: '#31459a',
    950: '#000000',
  },
}

SCSS

$custom: #31459a;
$custom-light: #7678b8;
$custom-dark: #000000;

JSON

{
  "hex": "#31459a",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 154
  },
  "hsl": {
    "h": 228.571,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42486,
    "c": 0.14053,
    "h": 269.5
  },
  "luminance": 0.07242
}

Semantic roles & 50–950 ramp

primary

#31459A

secondary

#BAAC6C

accent

#C04DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #31459A

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

Preview Lab → · Contrast checker → · Palette generator →