#31489A#31489A

#31489A is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.137 H 268.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#31489A
RGB	rgb(49, 72, 154)
HSL	hsl(227, 52%, 40%)
HSV	hsv(227, 68%, 60%)
CMYK	cmyk(68.2%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(33.18, 19.37, -47.54)
CIE-LCH	lch(33.18, 51.34, 292.17°)
OKLab	oklab(43.11% -0.0039 -0.1365)
OKLCH	oklch(43.11% 0.137 268.4)
XYZ	xyz(9.4147, 7.6199, 31.5402)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31489A #9A8331

analogous

#317D9A #31489A #4E319A

triadic

#31489A #9A3148 #489A31

tetradic

#31489A #9A317D #9A8331 #319A4E

square

#31489A #9A317D #9A8331 #319A4E

split-complementary

#31489A #9A4E31 #7D9A31

monochromatic

#131D3D #22326C #31489A #4560C4 #7388D2

Accessibility & contrast

On white

8.32

#31489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#31489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31489A

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31489A	#FFFFFF	#000000	##FFFFFF
##31489A	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13539D

Deuteranopia (green-blind)

#004998

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #31489a;
/* rgb */ color: rgb(49, 72, 154);
/* oklch */ color: oklch(43.1% 0.137 268.4);

Tailwind

colors: {
  custom: {
    50: '#767ab8',
    500: '#31489a',
    950: '#000000',
  },
}

SCSS

$custom: #31489a;
$custom-light: #767ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#31489a",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 226.857,
    "s": 51.724,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43111,
    "c": 0.13661,
    "h": 268.4
  },
  "luminance": 0.07621
}

Semantic roles & 50–950 ramp

primary

#31489A

secondary

#BAA96C

accent

#BC4DDB

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #31489A

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

Preview Lab → · Contrast checker → · Palette generator →